Tuesday, October 07, 2008

cis vs. trans & evolution   posted by Razib @ 10/07/2008 01:14:00 PM
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Over at evolgen, more on the cis vs. trans debate:
...First, there is an excess of trans variation within populations. And, second, cis changes tend to be additive, while trans changes are dominant/recessive. That means recessive trans mutations can segregate in populations without phenotypic effects, while cis changes are exposed to selection from the get go (either purged by purifying selection or fixed by positive selection).

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