What does it mean for a gene to be sex-linked?
It is a gene that only affects the reproductive structures of an organism
It is a gene located on the X or Y chromosome
It is located on autosomes
It is found in only one gender: either male or female
What does it mean to say that two genes are linked?
Both genes are on the same chromosome
Both genes are always expressed in an organism at the same time
The genes are directly next to each other
Both genes are used for the same function in the organism
