A mutational restrict might partly decide lifespan throughout species

Animals carry “mutational clocks” of their cells that dictate how shortly their DNA picks up mutations. And throughout species, animals are inclined to die as soon as they’ve hit a sure variety of mutations, new analysis finds.

It seems that, in long-lived mammals like people, these mutational clocks tick slower than they do in short-lived mammals like mice, which means people attain that threshold variety of mutations at a later age than mice do. This discovery, the researchers stated, may assist resolve a long-standing thriller in biology. 

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