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maria [59]
3 years ago
15

If a colorblind female (XnXn) and a normal male (XNY) have a son, what are the chances he would be colorblind?

Biology
1 answer:
KengaRu [80]3 years ago
4 0

Answer:

50%

Explanation:

Make a punnet square

     Xn  Xn

XN XNXn XNXn

Y   XnY XnY

Colorblind is a recessive trait (n) so the fraction is 2/4

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