Q. Number of Barr body in XXXY is

A) 1
B) 2
C) 3
D) 4
Explanation

The number of Barr bodies is one less than the number of X-chromosomes present in an individual, e.g., 1 for normal XX, 2 for XXXY

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.