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deleterious mutation

created by quincyfree

(thing) by quincyfree (4.6 y) (print)   ?   I like it! Sun Feb 18 2001 at 7:06:04

A spontaneous change in the genetic sequence that reduces fitness as a consequence. Because most populations can be expected to be well-adapted to their environment, most mutations can be expected to be deleterious. Deleterious mutations are the bread and butter of many models in theoretical population genetics, providing a constant weight that must be overcome by such evolutionary mechanisms as recombination and canalization. See also epistasis and Muller's ratchet.

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chaos

Muller's ratchet two-fold cost of sex fuck up epistasis
George W. Bush Lobeless knucklehead... mutants of Planet Zero... creepy crawlies demand flesh for snack... Evolution of sex neutral mutations
Population genetics
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