AIPMT PRELIMS 2005 Botany Sex-linked Traits MCQ Question
A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 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?
Autosomal dominant
Sex-linked dominant
Sex-linked recessive
Autosomal recessive
Correct Answer
Detailed Explanation
The pattern suggests a sex-linked recessive inheritance, where the disease is carried on the X chromosome and typically affects males more than females.
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