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Elena L [17]
3 years ago
9

Why is genetic variation within a population essential for evolution?

Biology
1 answer:
klasskru [66]3 years ago
8 0

Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population. Genetic variation is caused by: mutation. random mating between organisms.
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Which of the following processes is key to producing gametes?
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Do the same mechanisms that govern gene expression operate in bacterial cells and eukaryotic cells? Explain your answer.
vlabodo [156]

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