Question

Color-blindness is a X-linked recessive disorder. under what circumstances will manifest in a child?

Answer 1

Answer:

A

Explanation:

because males are XY and females are XX, if two people have a son, he will receive a Y chromosome from his father and an X chromosome from his mother, if one of her alleles is recessive color blindness, there is a chance he could be color blind.

Answer 2

Answer: A

Explanation: the gene can only be passed on the x gene, so if you are a male, you only have one x gene, so it dominates without the presence of another x gene