Q. Which of the following condition in humans is correctly matched with its chromosomal abnormality/linkage?
A) Klinefelter’s syndrome –44 autosomes + XXY
B) Colour blindness –Y- linked
C) Erythroblastosis foetalis –X- linked
D) Down’ s syndrome – 44 autosomes+ XO
Explanation
The correct answer is Option A: Klinefelter’s syndrome –44 autosomes + XXY.
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.