GENETICS AND EVOLUTION
INHERITANCE AND VARIATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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25%
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0%
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50%
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100%
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Detailed explanation-1: -So, the correct option is ‘50% colour blind’.
Detailed explanation-2: -Final answer: A normal-visioned woman whose father was color-blind marries a color-blind man. Their fourth son may be color blind or may be of normal vision.
Detailed explanation-3: -When a colour blind woman marries a normal visioned male, daughters will be carrier for this disease and all sons will be colour blind, this can be represented as follows: So, the correct answer is ‘All sons are colour blind, daughters carriers’.
Detailed explanation-4: -So, the correct answer is ‘50%’.
Detailed explanation-5: -Hence, 50% male children will be colour blind. Q. A man whose father was colour blind and mother is normal marries a woman who had a colour blind mother and normal father.