Alexei A. Maklakov and Virpi Lummaa Evolution of sex differences in lifespan and aging: Causes and constraints BioEssays 35
Why do sexes have different lifespans and aging rates? Sexes resolve the fundamental tradeoff between reproduction and survival differently and relationship between lifespan and fitness differs between males and females. However, selection for sex-specific values is constrained by intersexual genetic correlations resulting in intra-locus sexual conflict over optimal lifespan.
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