What is the pattern of inheritance for a sex-linked allele?
A) Every affected person has an affected parent.
B) Unaffected parents can produce children who are affected.
C) Affected parents do not produce affected children.
D) Unaffected mothers have affected sons and daughters who are carriers.
E) None of the above

Question

Quizplus · Accepted Answer

In sex-linked inheritance, particularly X-linked recessive, unaffected mothers can have affected sons if they are carriers, while daughters may be carriers if they inherit the allele.

What Is the Pattern of Inheritance for a Sex-Linked Allele