Question

What is Punnett square genotype for a color blind female with a normal male? I know it's X linked and more likely in males

Answer 1

do you still need help?

Answer 2

WelcomE to OpeN StudY !! SweeT FrienD !! @Curlyish

Hmm, how to say well consider this example : Let X* be the chromosome with gene of colour blindness and X be the normal chromosome.
Now,
Man's genotype:- X* Y
Woman's Genotype:- XX*

Punnet Square:-
______X*______Y_______
X____XX*______XY______
X*___X*X*_____X*Y______

So, 50% women will be carrier (XX*) while another 50% will be colour blind (X*X*) and 50% man will be colour blind (X*Y) while 50% will be normal (XY).

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Answer 3

what i dont understand is color blindness is more common in men so why would 50% have it wouldn't be like 25% women are carriers and 25% women will have the color blindness 25% males will have it and 25% will be normal