Under Which Scenario Will the Presence of Rare Recessive Deleterious

question 43

Multiple Choice

Under which scenario will the presence of rare recessive deleterious alleles cause the greatest decline in fitness in a population?

• A) when the deleterious allele affects viability but not fecundity
• B) when there is a high rate of migration from neighboring populations
• C) when the rate of forward and back mutation are nearly equal
• D) when mating occurs mostly among close genetic relatives

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