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If a color-blind male marries a carrier female, what are the chances that their sons will...

If a color-blind male marries a carrier female, what are the chances that their sons will be color blind? What are the chances that their daughters will be carriers?

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Answer #1

Colour blindness is a genetic or hereditary condition. It is usually passed down from parents. The gene which is responsible for this condition is carried on the X chromosome.

Explanation - Females heterozygous for this trait (i.e., one dominant and one recessive) have normal vision but they will be carrier. But males inheriting the colour blind trait through single X-chromosome from their mother will be colour blind.

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