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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION

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A man and a woman, who do not show any apparent sign of a certain inherited disease, have seven children (two daughter and five sons). Three of the sons suffer from the given disease but none of the daughters are affected. Which of the following mode of inheritance do you suggest for this disease?

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Correct option: D

Sex –linked recessive

Option C (2) is correct. It is a trihybrid cross (Aa, Bb, Cc) and 8 types of gametes are formed (2³ = 8).

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