"Pleiotropy provides considerable noise for natural selection (#C633)
Pleiotropy is where one gene affects more than one trait. 1 This makes natural selection’s job more difficult by adding more noise.
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ReMine, W. J. (1993). The Biotic Message: Evolution Versus Message Theory. Saint Paul, Minn.: St. Paul Science.
- ReMine, 1993, p. 178:”Pleiotropy is when genes affect more than one trait. … Polygeny is when a biological trait is affected by more than one gene. … Pleiotropy and polygeny are prevalent in life. This means that there is typically no one-to-one correspondence between genes and traits. Each gene affects more than one trait — and each trait is affected by more than one gene.” ↩