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Alina [70]
3 years ago
14

_______ add(s) genetic variation, which is essential for evolution.

Biology
2 answers:
natali 33 [55]3 years ago
5 0

Answer: mutations

Explanation: just took it and passed on e2020.

ddd [48]3 years ago
4 0
The answer is <span>Mutations.

</span>Mutation are the alteration of a nucleotide sequence in DNA. By changing a DNA sequence, the mutations produce new sequences, and consequently the mutations add genetic variation. On the other hand, natural selection takes them away. Genetic drift and migration decrease genetic variation because of the random sampling and migrating of only some individuals, respectively. Likewise, in the <span>Hardy-Weinberg conditions there must be no mutations.</span>
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