s9215421 s9215421

17-04-2020
Biology

contestada

What is the ultimate source of genetic variability?

A. Gene flow
B. Mutations
C. Genetic drift
D. Non-random mating

Respuesta :

sophiaa916 sophiaa916

17-04-2020

Answer:

b. mutations

Explanation:

Mutations can alter single nucleotides or entire chromosomes, and they are the sole source of new alleles. The ultimate source of genetic variation is mutation- changes in nucleotide sequences in the DNA.

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