A normal-visioned man whose father was colour-blind, marries a woman whose father was also colour-blind. They have their first child as a daughter. What are the chances that this child would be colour-blind?A. zero percentB. 0.25C. 0.5D. 1

A normal-visioned man whose father was colour-blind, marries a woman w

1.	A normal-visioned man whose father was colour-blind, marries a woman whose father was also colour-blind. They have their first child as a daughter. What are the chances that this child would be colour-blind?A. zero percentB. 0.25C. 0.5D. 1
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A normal-visioned man whose father was colour-blind, marries a woman whose father was also colour-blind. They have their first child as a daughter. What are the chances that this child would be colour-blind?A. zero percentB. 0.25C. 0.5D. 1

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