What Genetic Force Leads to the Variability in the Percentage

question 6

Multiple Choice

What genetic force leads to the variability in the percentage of mutant mtDNA molecules that are present in the children of a mother who exhibits heteroplasmy for the mutation?

• A) Positive selection
• B) Negative selection
• C) Genetic bottleneck
• D) Reduced fitness
• E) Balancing selection

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