A normal visioned man whose father was color blind marries a normal vision woman whose father was also color blind. They have their first child as daughter. What are the chances that this child would be color blind?

Question

A normal visioned man whose father was color blind marries a normal vision woman whose father was also color blind. They have their first child as daughter. What are the chances that this child would be color blind?, 10 %, zero, 50 %, 100 %

MARKS App · Accepted Answer

Normal Visioned man genotype: XY. Normal visioned but carrier woman genotype: XXc (sincer her father is colour blind). Their daughter can have two genotypes XX or XXc. In both these cases the daughter will not be colourblind.

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