The conditions to maintain the Hardy-Weinberg equilibrium are: no mutation, no gene flow, large population size, random mating, and no natural selection.
The correct answer is C.No mutation can take place.
A low rate of mutations would help keep a population in equilibrium. The five assumptions of Hardy-Weinberg equilibrium are:
No gene flow can occur to increase variability in the gene pool. A very large population size is required to ensure allele frequency is not changed through genetic drift. Mating must be random in the population. Natural selection must not occur to alter gene frequencies.
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