In order for a male to inherit a sex-linked (X-linked)disorder,he must receive the allele from:
A)both his mother and father.
B)his mother only.
C)either his mother or father.
D)his father only.

Question

Quizplus · Accepted Answer

Sex-linked (X-linked) disorders are carried on the X chromosome. Males have only one X chromosome, which they inherit from their mother. Therefore, in order for a male to inherit a sex-linked disorder, he must receive the allele from his mother.

In Order for a Male to Inherit a Sex-Linked (X-Linked)disorder,he