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Questions about the evolution of ageing
and longevity |
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Ageing is a certainty
that unites us all, but understanding why ageing occurs has proven to be a
challenging undertaking. Can a non-adaptive process such as ageing actually
evolve or is it merely the by-product of other events? Why are genes which
extend life in long-lived mutants not selected for in nature? Is ageing
merely a consequence of mutations accumulating through time or are there
genes which while beneficial initially, are harmful once we age? Does ageing
lie at the trade-off between survival and reproduction? |
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