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16 votes
16 votes
Color blindness is a recessive sex-linked human trait. If a color-blind father and a mother with normal color vision have a color-blind son, what must be the mother's genotype?

A. XNXn
B. XNXN
C. XnYn
D. XNY

User Antiduh
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1 Answer

15 votes
15 votes

Answer:

A. XNXn

Step-by-step explanation:

looks like it's a 50% chance of color blindness

User Molok
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