A) all the heterochromatin in female cells
B) Y-chromosomes in somatic cells of male
C) all heterochromatin in male and female cells
D) one of the two X-chromosomes in somatic cells of females
Correct Answer: D
Solution :
[d] Abarrbodyis one of the X-chromosomes in somatic cells of females. If there are more X-chromosomes, then there will be more barr bodies.
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