Q. Barr body in mammals represents
A) All the heterochromatin in female cells
B) One of the two X-chromosomes in somatic cells of females
C) All the heterochromatin in male and female cells
D) The Y-chromosome in somatic cells of male
Explanation
The correct answer is Option A: All the heterochromatin in female cells.
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.