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23/09/2020 4:49 pm
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Barr-body in mammals represents
(a) One of the two X chromosomes in somatic cells of females.
(b) All heterochromatin of male & female cells.
(c) Y chromosomes of male.
(d) All heterochromatin of female cells
1 Answer
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23/09/2020 4:50 pm
(a) One of the two X chromosomes in somatic cells of females.
Explanation:
Barr body is the inactive one X chromosome in somatic cells of female (Dosage compensation). The number of Barr bodies are always one less than the total number of X-chromosome.