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tailora tailora
wrote...
8 years ago
The statement, "The Mutation Accumulation hypothesis notes that mutations causing premature senescence are selected against weakly," makes more sense if we consider that ________.
a. many mutations that cause cell death are, in fact, highly deleterious
b. individuals carrying a mutation causing death before reproductive maturity would have
a lifetime reproductive success rate of zero
c. mutations causing death after reproduction has begun are selected against less strongly
d. mutations in individual cells may cause cell death, but this does not affect the rest of the
organism
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wrote...
Staff Member
2 months ago
The statement, “The Mutation Accumulation hypothesis notes that mutations causing premature senescence are selected against weakly,” makes more sense if we consider that harmful mutations that are only expressed later in life, when reproduction has ceased and future survival is increasingly unlikely, are likely to be unknowingly passed on to future generations. In this situation, the force of natural selection will be weak, and so insufficient to consistently eliminate these mutations. Over time, these mutations would accumulate due to genetic drift and lead to the evolution of what is now referred to as aging.

Therefore, the answer is not one of the options provided.

I hope this helps!
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