Question

what evolutionary mechanism is most likely to explain the frequency of alleles involved in aging according to the mutation accumulation hypothesis?

Answer 1

According to the mutation accumulation theory, ageing organisms experience an increase in frailty and mortality due to the haphazard accumulation of mutations that harm them.

The traditional evolutionary explanation of ageing explains why mortality increases with age: as people age, their lifetime fertility declines, therefore their ability to continue to survive has a smaller impact on their ability to reproduce. But in addition to fertility, successful reproduction frequently entails intergenerational transfers.

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