145k views
0 votes
Why does genetic drift have more of an impact on the evolution of small populations than large ones?

1 Answer

3 votes
Small changes in the genetics of a smaller population can lead to larger overall changes in the population's evolutionary fitness. With a smaller number of organisms to work with at the outset, these small changes can be more useful (or more detrimental) to how these organisms will survive or perish in their environments.
User Oded Breiner
by
7.2k points