Question

What must be true for a male individual to be a carrier of a Y-linked recessive allele?

A.
The gene has no other alleles.

B.
The gene is only expressed in females.

C.
The gene is silenced on the Y chromosome.

D.
The gene is also found on the X chromosome.

Answer 1

A.

The gene has no other alleles.

because males only have 1 chromosome