Antagonistic pleiotropy: The effects of a gene, which are beneficial early in life (i.e., increasing fitness) but deleterious later in life (no change in fitness after the reproductive age).
Few individuals survive long enough for these to be selected against.
Antagonistic pleiotropy. Genes that promote survival early in life at the expense of maintaining the body will be selected for.
Some examples: ...
 See also: Mutation, Nucleotide, Membrane, Vision, Polymerase
  
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