Recessive Alleles Seem to Vanish in Some Generations and Reappear

question 60

Multiple Choice

Recessive alleles seem to vanish in some generations and reappear in later generations because:

• A)They cannot be expressed in males
• B)They are masked by a dominant allele
• C)They cannot be expressed in females
• D)They cannot be expressed in successive generations
• E)They are lost by mutation

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