Analysis of information sources in references of the Wikipedia article "Sintesis evolusioner modern" in Indonesian language version.
...Lammarck's hypothesis has never been proven experimentally, and there is known mechanism to support the idea that somatic change, ..., can in some way induce a change in the germ plasm. On the other hand it is difficult to disprove Lamarck's idea experimentally, and it seems that weismann's experiment fails to provide the evidence to deny the Lamarckian hypothesis"