Talk:Genetic variability

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Consider merging this article with genetic diversity since the concepts are very close and it's not always clear when to link to the diversity or variability page. Proposed name for the merged page: genetic variation. – SteveChervitzTrutane (talk) 09:30, 16 September 2008 (UTC)[reply]

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The sentence

"It is defined as "the formation of individuals differing in genotype, or the presence of genotypically different individuals, in contrast to environmentally induced differences which, as a rule, cause only temporary, nonheritable changes of the phenotype"."

is incorrect, and I believe will give readers the wrong impression. The error lies in "...as a rule, cause ONLY TEMPORARY...". If you cut your hand off, it is permanent, yet now you only have one hand. The variability of the number of hands humans have is very low, but it is not zero due to environmental factors.

The above is a simple example. On a more detailed level, the fetal environment has a significant impact on the offspring's development, as does the environment after birth during early development. Sometimes the effects of the fetal environment even cause changes in the genes of the offspring (like in the case of Dutch hunger winter babies for example). I think the sentence at the beginning of the article falsely understates the importance of environment on phenotype. Marley maldon (talk) 18:59, 8 January 2021 (UTC)[reply]

This article is currently the subject of a Wiki Education Foundation-supported course assignment, between 30 January 2024 and 10 May 2024. Further details are available on the course page. Student editor(s): Piper5625 (article contribs). Peer reviewers: Ebbenw.

— Assignment last updated by Ebbenw (talk) 15:19, 2 April 2024 (UTC)[reply]