Why is reddish hair so frequent among Rh(D) negative individuals?
What is it that makes us more likely to have it.
Why isn’t the recessive trait completely overshadowed by other-colored hair?
Remember hazel eyes?
Why is reddish hair so frequent among Rh(D) negative individuals?
What is it that makes us more likely to have it.
Why isn’t the recessive trait completely overshadowed by other-colored hair?
Remember hazel eyes?