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FrozenT [24]
4 years ago
13

What is the ultimate source of genetic variability?

Biology
1 answer:
sashaice [31]4 years ago
5 0
Random mutations are the ultimate source<span> of </span>genetic<span> variation. Mutations are likely to be rare and most mutations are neutral or deleterious, but in some instances the new alleles can be favored by natural selection.</span>
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The oldest fossil identifie so far , the stromatolites , represent which type of cell ?
telo118 [61]

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