Q. 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?
A) Autosomal dominant
B) Sex –linked dominant
C) Sex –limited recessive
D) Sex –linked recessive
Explanation
For the given case, the disease is sex-linked recessive.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.