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Biology
Ban body in mammals represents
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Q. Ban body in mammals represents
Rajasthan PMT
Rajasthan PMT 2009
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
Solution:
If there are more than one X-chromosomes then one X-chromosome remains active, while the other one becomes inactive and condenses to form Barr body.