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grin007 [14]
3 years ago
14

What causes genetic variation in a population? environmental changes random mutations favorable adaptations

Biology
2 answers:
Nana76 [90]3 years ago
8 0

The variation may already exist within the population, but often the variation comes from a mutation, or a random change in an organism's genes.

Trava [24]3 years ago
5 0

Answer:its random mutations just had the test

Explanation:

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