Answer:
Along a divergent plate boundary. I think that's the answer.
It depends.... lets say that a mom is a carrier of colorblindness, so only one of her sons will have colorblindness and one of her daughters will be a carrier but if it is on both X's (of the female's) then both of her daughters will be carriers and her sons will both be colorblind.
D) Lesser amounts of fresh metals would be needed.
