Cloning (English Wikipedia)

McGee, G. (October 2011). "Primer on Ethics and Human Cloning". American Institute of Biological Sciences.{{cite web}}: CS1 maint: deprecated archival service (link)

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

DeWoody, J.; Rowe, C.A.; Hipkins, V.D.; Mock, K.E. (2008). ""Pando" Lives: Molecular Genetic Evidence of a Giant Aspen Clone in Central Utah". Western North American Naturalist. 68 (4): 493–497. Bibcode:2008WNAN...68..493D. doi:10.3398/1527-0904-68.4.493. ISSN 1944-8341. S2CID 59135424.
Campbell KH, McWhir J, Ritchie WA, Wilmut I (March 1996). "Sheep cloned by nuclear transfer from a cultured cell line". Nature. 380 (6569): 64–6. Bibcode:1996Natur.380...64C. doi:10.1038/380064a0. PMID 8598906. S2CID 3529638.
Perrier, X.; De Langhe, E.; Donohue, M.; Lentfer, C.; Vrydaghs, L.; Bakry, F.; Carreel, F.; Hippolyte, I.; Horry, J. -P.; Jenny, C.; Lebot, V.; Risterucci, A. -M.; Tomekpe, K.; Doutrelepont, H.; Ball, T.; Manwaring, J.; De Maret, P.; Denham, T. (2011). "Multidisciplinary perspectives on banana (Musa spp.) domestication". Proceedings of the National Academy of Sciences. 108 (28): 11311–11318. Bibcode:2011PNAS..10811311P. doi:10.1073/pnas.1102001108. PMC 3136277. PMID 21730145.
this is a source that was used in List of animals that have been cloned
Streisinger, George; Walker, C.; Dower, N.; Knauber, D.; Singer, F. (1981), "Production of clones of homozygous diploid zebra fish (Brachydanio rerio)", Nature, 291 (5813): 293–296, Bibcode:1981Natur.291..293S, doi:10.1038/291293a0, PMID 7248006, S2CID 4323945
Campbell, K. H. S.; McWhir, J.; Ritchie, W. A.; Wilmut, I. (7 March 1996). "Sheep cloned by nuclear transfer from a cultured cell line". Nature. 380 (6569): 64–66. Bibcode:1996Natur.380...64C. doi:10.1038/380064a0. PMID 8598906. S2CID 3529638.
Wei, Yanchang; Yang, Cai-Rong; Zhao, Zhen-Ao (22 March 2022). "Viable offspring derived from single unfertilized mammalian oocytes". Proceedings of the National Academy of Sciences. 119 (12) e2115248119. Bibcode:2022PNAS..11915248W. doi:10.1073/pnas.2115248119. ISSN 0027-8424. PMC 8944925. PMID 35254875.
- News article about the study: Osborne, Margaret. "Mice Birthed From Unfertilized Eggs for the First Time". Smithsonian Magazine. Retrieved 18 April 2022.
- Ehrenfeld, David (2006). "Transgenics and Vertebrate Cloning as Tools for Species Conservation". Conservation Biology. 20 (3): 723–732. Bibcode:2006ConBi..20..723E. doi:10.1111/j.1523-1739.2006.00399.x. PMID 16909565. S2CID 12798003.
- Lin, Jianqing; Duchêne, David; Carøe, Christian; Smith, Oliver; Ciucani, Marta Maria; Niemann, Jonas; Richmond, Douglas; Greenwood, Alex D.; MacPhee, Ross; Zhang, Guojie; Gopalakrishnan, Shyam; Gilbert, M. Thomas P. (11 April 2022). "Probing the genomic limits of de-extinction in the Christmas Island rat". Current Biology. 32 (7): 1650–1656.e3. Bibcode:2022CBio...32E1650L. doi:10.1016/j.cub.2022.02.027. ISSN 0960-9822. PMC 9044923. PMID 35271794. S2CID 247323087.
  - News report on the study: Ahmed, Issam. "Forget mammoths, study shows how to resurrect Christmas Island rats". phys.org. Retrieved 19 April 2022.
  - Sinclair, K. D.; Corr, S. A.; Gutierrez, C. G.; Fisher, P. A.; Lee, J.-H.; Rathbone, A. J.; Choi, I.; Campbell, K. H. S.; Gardner, D. S. (26 July 2016). "Healthy ageing of cloned sheep". Nature Communications. 7 12359. Bibcode:2016NatCo...712359S. doi:10.1038/ncomms12359. ISSN 2041-1723. PMC 4963533. PMID 27459299.

archive.org (Global: 6^th place; English: 6^th place)

de Candolle, A. (1868). Laws of Botanical Nomenclature adopted by the International Botanical Congress held at Paris in August 1867; together with an Historical Introduction and Commentary by Alphonse de Candolle, Translated from the French. translated by H.A. Weddell. London: L. Reeve and Co.^: 21, 43
Herbert J. Webber (1903). Science. American Association for the Advancement of Science. pp. 502–503. Retrieved 8 October 2010.
Peter J. Russel (2005). iGenetics: A Molecular Approach. San Francisco, California, United States of America: Pearson Education. ISBN 978-0-8053-4665-7.
Rantala, M.; Milgram, Arthur (1999). Cloning: For and Against. Chicago, Illinois: Carus Publishing Company. p. 1. ISBN 978-0-8126-9375-1.
Pence, Gregory E. (2005). Cloning After Dolly: Who's Still Afraid?. Rowman & Littlefield. ISBN 978-0-7425-3408-7.
Stableford, Brian M. (2006). "Clone". Science Fact and Science Fiction: An Encyclopedia. Taylor & Francis. pp. 91–92. ISBN 978-0-415-97460-8.

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Ezell, Carson; Lazarian, Alexandre; Loeb, Abraham (December 2022). "A Lunar Backup Record of Humanity". Signals. 3 (4): 823–829. arXiv:2209.11155. doi:10.3390/signals3040049. ISSN 2624-6120.
- Article about the study: Tognetti, Laurence. "The moon is the perfect spot for humanity's offsite backup". Universe Today via phys.org. Retrieved 8 March 2023.

bbc.co.uk (Global: 11^th place; English: 10^th place)

bbc.co.uk

Shukman, David (14 January 2014) China cloning on an 'industrial scale' BBC News Science and Environment, Retrieved 10 April 2014
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Shukman, David (14 January 2014) China cloning on an 'industrial scale' BBC News Science and Environment, Retrieved 14 January 2014
Shukman, David (14 January 2014) China cloning on an 'industrial scale' BBC News Science and Environment, Retrieved 27 February 2016
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"Uma Thurman, Rhys Ifans and Tom Wilkinson star in two plays for BBC Two" (Press release). BBC. 19 June 2008. Retrieved 9 September 2008.

news.bbc.co.uk

BBC. 22 February 2008. BBC On This Day: 1997: Dolly the sheep is cloned
"Americas | Pet kitten cloned for Christmas". BBC News. 23 December 2004. Retrieved 4 August 2010.
"Rat called Ralph is latest clone". BBC News. 25 September 2003. Retrieved 30 April 2010.
"Scientists 'to clone mammoth'". BBC News. 18 August 2003.

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Briggs, Helen (24 January 2018). "First monkey clones created in Chinese laboratory". BBC News. Retrieved 24 January 2018.
"Fresh effort to clone extinct animal". BBC News. 22 November 2013. Retrieved 25 October 2020.

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funginstitute.berkeley.edu

Engineering, Berkeley Master of (11 May 2020). "Op-ed: The dangers of cloning". Fung Institute for Engineering Leadership. Retrieved 8 March 2023.

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Wehner, Mike (24 May 2021). "Does Russia really think it can clone ancient warriors?". BGR. Retrieved 8 March 2023.

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Latham, K. E. (2005). "Early and delayed aspects of nuclear reprogramming during cloning" (PDF). Biology of the Cell. pp. 97, 119–132. Archived from the original (PDF) on 2 August 2014.

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Khan, Firdos Alam (3 September 2018). Biotechnology Fundamentals. CRC Press. ISBN 978-1-315-36239-7.
Bhelkar, Ratnakar D. (2009). Science Fiction: Fantasy and Reality. Atlantic Publishers & Dist. p. 58. ISBN 978-81-269-1036-6. Retrieved 4 November 2017.
Stableford, Brian M. (2006). "Clone". Science Fact and Science Fiction: An Encyclopedia. Taylor & Francis. pp. 91–92. ISBN 978-0-415-97460-8.
Muir, John Kenneth (2007). A Critical History of Doctor Who on Television. McFarland. pp. 258–9. ISBN 978-1-4766-0454-1. Retrieved 4 November 2017.
Mumford, James (2013). Ethics at the Beginning of Life: A Phenomenological Critique. OUP Oxford. p. 108. ISBN 978-0-19-967396-4. Retrieved 6 November 2017.
Humber, James M.; Almeder, Robert (1998). Human Cloning. Springer Science & Business Media. p. 10. ISBN 978-1-59259-205-0. Retrieved 6 November 2017.
Lewis, Courtland; Smithka, Paula (2010). "What's Continuity without Persistence?". Doctor Who and Philosophy: Bigger on the Inside. Open Court. pp. 32–33. ISBN 978-0-8126-9725-4. Retrieved 4 November 2017.
Cohen, Daniel (2002). Cloning. Millbrook Press. ISBN 978-0-7613-2802-5. Retrieved 4 November 2017.
Thompson, Dave (2013). Doctor Who FAQ: All That's Left to Know About the Most Famous Time Lord in the Universe. Hal Leonard Corporation. ISBN 978-1-4803-4295-8. Retrieved 4 November 2017.
Barr, Jason; Mustachio, Camille D. G. (2014). The Language of Doctor Who: From Shakespeare to Alien Tongues. Rowman & Littlefield. p. 219. ISBN 978-1-4422-3481-9. Retrieved 5 November 2017.
McDonald, Paul F. (2013). "The Clones". The Star Wars Heresies: Interpreting the Themes, Symbols and Philosophies of Episodes I, II and III. McFarland. pp. 167–171. ISBN 978-0-7864-7181-2. Retrieved 4 November 2017.

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Gil, Gideon (17 January 2008). "California biotech says it cloned a human embryo, but no stem cells produced". Boston Globe. Archived from the original on 18 April 2008.

britannica.com (Global: 37^th place; English: 64^th place)

"Cloning | Definition, Process, & Types | Britannica". www.britannica.com. Retrieved 5 May 2023.

byu.edu (Global: 1,502^nd place; English: 829^th place)

scholarsarchive.byu.edu

DeWoody, J.; Rowe, C.A.; Hipkins, V.D.; Mock, K.E. (2008). ""Pando" Lives: Molecular Genetic Evidence of a Giant Aspen Clone in Central Utah". Western North American Naturalist. 68 (4): 493–497. Bibcode:2008WNAN...68..493D. doi:10.3398/1527-0904-68.4.493. ISSN 1944-8341. S2CID 59135424.

cbc.ca (Global: 110^th place; English: 65^th place)

"Twice as nice: Barbra Streisand cloned her beloved dog and has 2 new pups". CBC News. Retrieved 1 March 2018.

cnn.com (Global: 36^th place; English: 26^th place)

edition.cnn.com

Dean Irvine (19 November 2007). "You, again: Are we getting closer to cloning humans?". CNN. Retrieved 4 August 2010.
Gan, Nectar (2 February 2023). "China says it successfully cloned 3 highly productive 'super cows'". CNN Business. Archived from the original on 16 February 2023. Retrieved 17 February 2023.
Wang, Serenitie; Rivers, Matt; Wang, Shunhe (27 December 2017). "Chinese firm clones gene-edited dog in bid to treat cardiovascular disease". CNN. Retrieved 9 July 2020.
Webster, George; Anderson, Becky (30 September 2011). "'Super clone' sniffer dogs: Coming to an airport near you?". CNN Business. Archived from the original on 30 September 2011. Retrieved 8 March 2023.
"Raelian leader says cloning first step to immortality - Feb. 12, 2004". CNN. Archived from the original on 23 January 2023. Retrieved 8 March 2023.
Strickland, Ashley (2 April 2022). "'Frozen zoos' may be a Noah's Ark for endangered animals". CNN. Retrieved 8 March 2023.
Woodyatt, Amy (16 March 2021). "Scientists want to build a doomsday vault on the moon". CNN. Retrieved 8 March 2023.
"CNN – Nature – First cloned endangered species dies 2 days after birth – January 12, 2001". CNN. Archived from the original on 15 April 2021. Retrieved 25 October 2020.

archives.cnn.com

"Researchers clone monkey by splitting embryo". CNN. 13 January 2000. Archived from the original on 13 August 2006. Retrieved 5 August 2008.
Tobin, Kate (12 January 2001). "First cloned endangered species dies 2 days after birth". CNN. Archived from the original on 6 June 2009. Retrieved 30 April 2010.

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Holloway, Grant (28 May 2002). "Cloning to revive extinct species". CNN.

consumersunion.org (Global: low place; English: low place)

Hansen, Michael (27 April 2007). "Comments of Consumers Union to US Food and Drug Administration on Docket No. 2003N-0573, Draft Animal Cloning Risk Assessment" (PDF). Consumers Union. Archived from the original (PDF) on 11 December 2009. Retrieved 16 October 2009.

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Swedin, Eric. "Cloning". CredoReference. Retrieved 23 September 2013.
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doi.org (Global: 2^nd place; English: 2^nd place)

DeWoody, J.; Rowe, C.A.; Hipkins, V.D.; Mock, K.E. (2008). ""Pando" Lives: Molecular Genetic Evidence of a Giant Aspen Clone in Central Utah". Western North American Naturalist. 68 (4): 493–497. Bibcode:2008WNAN...68..493D. doi:10.3398/1527-0904-68.4.493. ISSN 1944-8341. S2CID 59135424.
McFarland, Douglas (2000). "Preparation of pure cell cultures by cloning". Methods in Cell Science. 22 (1): 63–66. doi:10.1023/A:1009838416621. PMID 10650336.
Campbell KH, McWhir J, Ritchie WA, Wilmut I (March 1996). "Sheep cloned by nuclear transfer from a cultured cell line". Nature. 380 (6569): 64–6. Bibcode:1996Natur.380...64C. doi:10.1038/380064a0. PMID 8598906. S2CID 3529638.
Perrier, X.; De Langhe, E.; Donohue, M.; Lentfer, C.; Vrydaghs, L.; Bakry, F.; Carreel, F.; Hippolyte, I.; Horry, J. -P.; Jenny, C.; Lebot, V.; Risterucci, A. -M.; Tomekpe, K.; Doutrelepont, H.; Ball, T.; Manwaring, J.; De Maret, P.; Denham, T. (2011). "Multidisciplinary perspectives on banana (Musa spp.) domestication". Proceedings of the National Academy of Sciences. 108 (28): 11311–11318. Bibcode:2011PNAS..10811311P. doi:10.1073/pnas.1102001108. PMC 3136277. PMID 21730145.
Oldroyd, Benjamin P.; Yagound, Boris; Allsopp, Michael H.; Holmes, Michael J.; Buchmann, Gabrielle; Zayed, Amro; Beekman, Madeleine (9 June 2021). "Adaptive, caste-specific changes to recombination rates in a thelytokous honeybee population". Proceedings of the Royal Society B: Biological Sciences. 288 (1952) 20210729. doi:10.1098/rspb.2021.0729. ISSN 0962-8452. PMC 8187994. PMID 34102886. S2CID 235372422.
- News article about the study: "A single honeybee has cloned itself hundreds of millions of times". New Scientist. Retrieved 8 March 2023.
- De Robertis, EM (April 2006). "Spemann's organizer and self-regulation in amphibian embryos". Nature Reviews. Molecular Cell Biology. 7 (4): 296–302. doi:10.1038/nrm1855. PMC 2464568. PMID 16482093.. See Box 1: Explanation of the Spemann-Mangold experiment
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- Lassen, J.; Gjerris, M.; Sandøe, P. (2005). "After Dolly—Ethical limits to the use of biotechnology on farm animals" (PDF). Theriogenology. 65 (5): 992–1004. doi:10.1016/j.theriogenology.2005.09.012. PMID 16253321. S2CID 10466667. Archived from the original (PDF) on 28 July 2020. Retrieved 2 December 2019.
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- Wakayama S, Kohda T, Obokata H, Tokoro M, Li C, Terashita Y, Mizutani E, Nguyen VT, Kishigami S, Ishino F, Wakayama T (7 March 2013). "Successful serial recloning in the mouse over multiple generations". Cell Stem Cell. 12 (3): 293–7. doi:10.1016/j.stem.2013.01.005. PMID 23472871.
- Streisinger, George; Walker, C.; Dower, N.; Knauber, D.; Singer, F. (1981), "Production of clones of homozygous diploid zebra fish (Brachydanio rerio)", Nature, 291 (5813): 293–296, Bibcode:1981Natur.291..293S, doi:10.1038/291293a0, PMID 7248006, S2CID 4323945
- Campbell, K. H. S.; McWhir, J.; Ritchie, W. A.; Wilmut, I. (7 March 1996). "Sheep cloned by nuclear transfer from a cultured cell line". Nature. 380 (6569): 64–66. Bibcode:1996Natur.380...64C. doi:10.1038/380064a0. PMID 8598906. S2CID 3529638.
- McLaren A (2000). "Cloning: pathways to a pluripotent future". Science. 288 (5472): 1775–80. doi:10.1126/science.288.5472.1775. PMID 10877698. S2CID 44320353.
- Grisham, Julie (April 2000). "Pigs cloned for first time". Nature Biotechnology. 18 (4): 365. doi:10.1038/74335. PMID 10748477. S2CID 34996647.
- Kim, Min Jung; Oh, Hyun Ju; Hwang, Sun Young; Hur, Tai Young; Lee, Byeong Chun (1 September 2018). "Health and temperaments of cloned working dogs". Journal of Veterinary Science. 19 (5): 585–591. doi:10.4142/jvs.2018.19.5.585. ISSN 1229-845X. PMC 6167335. PMID 29929355. S2CID 49344658.
- Liu, Zhen; et al. (24 January 2018). "Cloning of Macaque Monkeys by Somatic Cell Nuclear Transfer". Cell. 172 (4): 881–887.e7. doi:10.1016/j.cell.2018.01.020. PMID 29395327.
- Normile, Dennis (24 January 2018). "These monkey twins are the first primate clones made by the method that developed Dolly". Science. doi:10.1126/science.aat1066. Retrieved 24 January 2018.
- Wei, Yanchang; Yang, Cai-Rong; Zhao, Zhen-Ao (22 March 2022). "Viable offspring derived from single unfertilized mammalian oocytes". Proceedings of the National Academy of Sciences. 119 (12) e2115248119. Bibcode:2022PNAS..11915248W. doi:10.1073/pnas.2115248119. ISSN 0027-8424. PMC 8944925. PMID 35254875.
  - News article about the study: Osborne, Margaret. "Mice Birthed From Unfertilized Eggs for the First Time". Smithsonian Magazine. Retrieved 18 April 2022.
  - Havstad JC (2010). "Human reproductive cloning: a conflict of liberties". Bioethics. 24 (2): 71–7. doi:10.1111/j.1467-8519.2008.00692.x. PMID 19076121. S2CID 40051820.
  - Huberman, Jenny (2 January 2018). "Immortality transformed: mind cloning, transhumanism and the quest for digital immortality". Mortality. 23 (1): 50–64. doi:10.1080/13576275.2017.1304366. ISSN 1357-6275. S2CID 152261367.
  - Mandelbaum, Eric (2022). "Everything and More: The Prospects of Whole Brain Emulation". Journal of Philosophy. 119 (8): 444–459. doi:10.5840/jphil2022119830. S2CID 252266788.
  - Watanabe, S (September 2013). "Effect of calf death loss on cloned cattle herd derived from somatic cell nuclear transfer: clones with congenital defects would be removed by the death loss". Animal Science Journal. 84 (9): 631–8. doi:10.1111/asj.12087. PMID 23829575.
  - Sandel, Michael J (2005). "The Ethical Implications of Human Cloning". Perspectives in Biology and Medicine. 48 (2): 241–247. doi:10.1353/pbm.2005.0063. ISSN 1529-8795. PMID 15834196. S2CID 32155922.
  - Ehrenfeld, David (2006). "Transgenics and Vertebrate Cloning as Tools for Species Conservation". Conservation Biology. 20 (3): 723–732. Bibcode:2006ConBi..20..723E. doi:10.1111/j.1523-1739.2006.00399.x. PMID 16909565. S2CID 12798003.
  - Ono T, Li C, Mizutani E, Terashita Y, Yamagata K, Wakayama T (December 2010). "Inhibition of class IIb histone deacetylase significantly improves cloning efficiency in mice". Biol. Reprod. 83 (6): 929–37. doi:10.1095/biolreprod.110.085282. PMID 20686182.
  - Marshall, Andrew (2000). "Cloning for conservation". Nature Biotechnology. 18 (11): 1129. doi:10.1038/81057. PMID 11062403. S2CID 11078427.
  - Ezell, Carson; Lazarian, Alexandre; Loeb, Abraham (December 2022). "A Lunar Backup Record of Humanity". Signals. 3 (4): 823–829. arXiv:2209.11155. doi:10.3390/signals3040049. ISSN 2624-6120.
    - Article about the study: Tognetti, Laurence. "The moon is the perfect spot for humanity's offsite backup". Universe Today via phys.org. Retrieved 8 March 2023.
    - Novak, Ben J.; Ryder, Oliver A.; Houck, Marlys L.; Putnam, Andrea S.; Walker, Kelcey; Russell, Lexie; Russell, Blake; Walker, Shawn; Arenivas, Sanaz Sadeghieh; Aston, Lauren; Veneklasen, Gregg; Ivy, Jamie A.; Koepfli, Klaus-Peter; Rusnak, Anna; Simek, Jaroslav; Zhuk, Anna; Phelan, Ryan (2025). "Endangered Przewalski's Horse, Equus przewalskii, Cloned from Historically Cryopreserved Cells". Animals. 15 (5): 613. bioRxiv 10.1101/2023.12.20.572538. doi:10.3390/ani15050613. PMC 11898140. PMID 40075896.
    - Lin, Jianqing; Duchêne, David; Carøe, Christian; Smith, Oliver; Ciucani, Marta Maria; Niemann, Jonas; Richmond, Douglas; Greenwood, Alex D.; MacPhee, Ross; Zhang, Guojie; Gopalakrishnan, Shyam; Gilbert, M. Thomas P. (11 April 2022). "Probing the genomic limits of de-extinction in the Christmas Island rat". Current Biology. 32 (7): 1650–1656.e3. Bibcode:2022CBio...32E1650L. doi:10.1016/j.cub.2022.02.027. ISSN 0960-9822. PMC 9044923. PMID 35271794. S2CID 247323087.
      - News report on the study: Ahmed, Issam. "Forget mammoths, study shows how to resurrect Christmas Island rats". phys.org. Retrieved 19 April 2022.
      - Burgstaller, Jörg Patrick; Brem, Gottfried (2017). "Aging of Cloned Animals: A Mini-Review". Gerontology. 63 (5): 419. doi:10.1159/000452444. ISSN 0304-324X. PMID 27820924.
      - Sinclair, K. D.; Corr, S. A.; Gutierrez, C. G.; Fisher, P. A.; Lee, J.-H.; Rathbone, A. J.; Choi, I.; Campbell, K. H. S.; Gardner, D. S. (26 July 2016). "Healthy ageing of cloned sheep". Nature Communications. 7 12359. Bibcode:2016NatCo...712359S. doi:10.1038/ncomms12359. ISSN 2041-1723. PMC 4963533. PMID 27459299.
      - Hopkins, Patrick (1998). "How Popular media represent cloning as an ethical problem". The Hastings Center Report. 28 (2): 6–13. doi:10.2307/3527566. JSTOR 3527566. PMID 9589288.

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Cloning (English Wikipedia)

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latimes.com (Global: 32nd place; English: 21st place)

livescience.com (Global: 1,726th place; English: 1,417th place)

longnow.org (Global: low place; English: low place)

medlineplus.gov (Global: 1,521st place; English: 1,017th place)

mit.edu (Global: 476th place; English: 340th place)

web.mit.edu

nap.edu (Global: 2,540th place; English: 1,815th place)

nationalgeographic.com (Global: 489th place; English: 425th place)

nationalgeographic.com

news.nationalgeographic.com

phenomena.nationalgeographic.com

nature.com (Global: 207th place; English: 347th place)

nbcnews.com (Global: 156th place; English: 101st place)

newscientist.com (Global: 1,041st place; English: 901st place)

newsweek.com (Global: 371st place; English: 235th place)

nih.gov (Global: 5th place; English: 5th place)

pubmed.ncbi.nlm.nih.gov

ncbi.nlm.nih.gov

aaas.org (Global: 6,319^th place; English: 4,341^st place)

abc.net.au (Global: 120^th place; English: 70^th place)

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

archive.org (Global: 6^th place; English: 6^th place)

arizona.edu (Global: 1,520^th place; English: 1,044^th place)

arxiv.org (Global: 49^th place; English: 31^st place)

bbc.co.uk (Global: 11^th place; English: 10^th place)

bbc.com (Global: 26^th place; English: 23^rd place)

berkeley.edu (Global: 621^st place; English: 429^th place)

bgr.com (Global: 9,675^th place; English: 6,624^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

boston.com (Global: 468^th place; English: 271^st place)

britannica.com (Global: 37^th place; English: 64^th place)

byu.edu (Global: 1,502^nd place; English: 829^th place)

cbc.ca (Global: 110^th place; English: 65^th place)

cnn.com (Global: 36^th place; English: 26^th place)

credoreference.com (Global: 7,256^th place; English: 4,942^nd place)

denofgeek.com (Global: 682^nd place; English: 406^th place)

depauw.edu (Global: 9,973^rd place; English: 5,917^th place)

discovermagazine.com (Global: 3,982^nd place; English: 2,975^th place)

dnaindia.com (Global: 575^th place; English: 297^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

ed.ac.uk (Global: 1,867^th place; English: 1,129^th place)

eurekalert.org (Global: 3,950^th place; English: 3,383^rd place)

expert.ru (Global: 5,291^st place; English: low place)

fws.gov (Global: 2,032^nd place; English: 1,082^nd place)

genome.gov (Global: 8,866^th place; English: low place)

ghostarchive.org (Global: 64^th place; English: 28^th place)

gizmodo.com (Global: 763^rd place; English: 486^th place)

go.com (Global: 97^th place; English: 79^th place)

hollywoodreporter.com (Global: 30^th place; English: 22^nd place)

imdb.com (Global: 22^nd place; English: 33^rd place)

indiatimes.com (Global: 31^st place; English: 19^th place)

interestingengineering.com (Global: 9,465^th place; English: 6,224^th place)

jstor.org (Global: 23^rd place; English: 15^th place)

ku.dk (Global: 4,251^st place; English: 4,029^th place)

latimes.com (Global: 32^nd place; English: 21^st place)

livescience.com (Global: 1,726^th place; English: 1,417^th place)

medlineplus.gov (Global: 1,521^st place; English: 1,017^th place)

mit.edu (Global: 476^th place; English: 340^th place)

nap.edu (Global: 2,540^th place; English: 1,815^th place)

nationalgeographic.com (Global: 489^th place; English: 425^th place)

nature.com (Global: 207^th place; English: 347^th place)

nbcnews.com (Global: 156^th place; English: 101^st place)

newscientist.com (Global: 1,041^st place; English: 901^st place)

newsweek.com (Global: 371^st place; English: 235^th place)

nih.gov (Global: 5^th place; English: 5^th place)

northeastern.edu (Global: 9,908^th place; English: 5,497^th place)

nytimes.com (Global: 7^th place; English: 7^th place)

ornl.gov (Global: 7,319^th place; English: 5,574^th place)

pbs.org (Global: 260^th place; English: 176^th place)

people.com (Global: 69^th place; English: 49^th place)

philarchive.org (Global: low place; English: 7,457^th place)

philpapers.org (Global: 2,176^th place; English: 1,487^th place)

phys.org (Global: 1,595^th place; English: 1,363^rd place)

popularmechanics.com (Global: 2,521^st place; English: 1,621^st place)

sandiegozoo.org (Global: 9,384^th place; English: 7,336^th place)

science.org (Global: 1,007^th place; English: 665^th place)

sciencedaily.com (Global: 1,390^th place; English: 1,286^th place)

scientificamerican.com (Global: 1,110^th place; English: 817^th place)

scmp.com (Global: 302^nd place; English: 189^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

smh.com.au (Global: 154^th place; English: 94^th place)

smithsonianmag.com (Global: 663^rd place; English: 431^st place)

spacenews.com (Global: 1,465^th place; English: 1,000^th place)

tamu.edu (Global: 289^th place; English: 1,073^rd place)

telegraph.co.uk (Global: 40^th place; English: 27^th place)

theguardian.com (Global: 16^th place; English: 11^th place)

thinkquest.org (Global: 8,176^th place; English: 8,805^th place)

time.com (Global: 84^th place; English: 63^rd place)

timeshighereducation.co.uk (Global: 5,289^th place; English: 4,129^th place)

umass.edu (Global: 3,436^th place; English: 2,060^th place)

unesco.org (Global: 104^th place; English: 170^th place)

unimelb.edu.au (Global: 3,366^th place; English: 2,021^st place)

usda.gov (Global: 512^th place; English: 322^nd place)

usu.edu (Global: 5,967^th place; English: 3,457^th place)

washingtonpost.com (Global: 35^th place; English: 24^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wiley.com (Global: 150^th place; English: 174^th place)

wired.com (Global: 254^th place; English: 178^th place)