Q. A woman has a haemophilic son and three normal children. Her genotype and that of her husband with respect to this gene would be
A) XX and X ୦Y
B) X ୦X୦ and X ୦Y
C) X ୦X୦ and XY
D) X ୦X and XY
Explanation
The correct answer is Option D: X ୦X and XY.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.