Question Detail

BIO 201 Objective Question
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Question

Why can dominant lethal alleles like Huntington's disease persist in human populations?
Options
A They confer immunity to viral infections
B Symptoms typically manifest after reproductive age
Correct Answer
C They only affect homozygous dominant individuals
D They are eliminated in early embryogenesis
Correct Answer

Option B is the correct answer.

Detailed Explanation

Because onset occurs after reproduction, affected individuals pass the allele to offspring.

Hint

No hint available

Question Info

Course: BIO 201
Type: Objective
Difficulty: Not specified
Question 163 of 285
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