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How can variations in genetics lead to natural selection
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How can variations in genetics lead to natural selection

User Rob Campion
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Answer:

Genetic Variation

Genetic variations are the differences in DNA segments or genes between individuals and each variation of a gene is called an allele. ... Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population.

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User Daniel Kvist
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