One of Fisher's important mathematical demonstrations was that natural selection progresses through
A) changes in the organism to fit the characteristics of the environment.
B) cyclical patterns of rapid spurts of change following by long periods of stability.
C) mutations that may or may not be beneficial to the species.
D) the accumulation of many small changes in genes rather than a few large changes.

Question

Quizplus · Accepted Answer

Fisher's mathematical model demonstrated that natural selection progresses through the cumulative effect of many small changes in genes, rather than a few large changes. This concept is now known as the Modern Synthesis or neo-Darwinism.

One of Fisher's Important Mathematical Demonstrations Was That Natural Selection