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This page should replace Gene_fixation, and the Fixation disambiguation page should be updated, as ANY mutation (not just genes) can become fixed. JVC 09:12, 30 January 2007 (UTC) reply

Hi

The second paragraph in the Probability section ends with the sentence that begins:

  The probability of fixation is then {\displaystyle 1-\pi \approx 2s/\sigma ^{2}} {\displaystyle 1-\pi \approx 2s/\sigma ^{2}} 

This is the first appearance of \sigma in the article. Its meaning is not explained. It is possible it is a well known result from Markov chain theory, but this article could be independent of that if a bit of explanation was added. — Preceding unsigned comment added by Brent1023 ( talk • contribs) 02:42, 16 January 2018 (UTC) reply

A quick search in google scholar gives results from before 1954 discussing genes using the term fixation. Sewall wright for example already use mutant gene fixation. Mirad1000 ( talk) 17:09, 2 May 2023 (UTC) reply