Multiple choice

If inheritance of a human trait is sex-linked AND recessive, which would NOT occur?

  1. expression of the trait might "skip" a generation

  2. the trait could be more common in females than in males

  3. all females might become homozygous for the trait

  4. the gene for the trait might mutate to a dominant allele
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

For a sex-linked recessive trait, males are more frequently affected than females because they only have one X chromosome. It is incorrect to say the trait would be more common in females.

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