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Variation in a trait is a required condition for natural selection to act on a population for that trait. Assuming a population of organisms started with only one form of trait, what are two ways variation in the trait could be introduced into the population? Explain your answer.

Respuesta :

meerkat18
One way of creating a variation in a population is through genetic replication errors. This will make new type of alleles. Environmental factors causes variation such as affecting enzyme activity and function. The changes would show in the phenotype of an organism.

Answer:

    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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