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What are all the chances of colourblind daughters of a normal man marrying normal women whose father was colourblind? |
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a) |
All sons are normal and all daughters are colourblind |
b) |
Both the sons and daughters are phenotypically normal |
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c) |
All the sons are colourblind and all daughters are normal |
d) |
50% sons are colourblind and all daughters are phenotypically normal |
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What are all the chances of colourblind daughters of a normal man marrying normal women whose father was colourblind? |
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a) |
All sons are normal and all daughters are colourblind |
b) |
Both the sons and daughters are phenotypically normal |
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c) |
All the sons are colourblind and all daughters are normal |
d) |
50% sons are colourblind and all daughters are phenotypically normal |
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(d) When a normal man marries a normal woman, whose father was colourblind then their 50% sons are colourblind (50% sons normal) and all the daughters are phenotypically normal(carrier woman also are phenotypically normal). The female parent is carrier as it receives a defective X-chromosome from her father. |