Medvisionover 1 year ago
Barr bodies (sex chromatin)
Barr body is the inactive X chromosome found in the nuclei of somatic cells of female. It is usually found in the cells of buccal mucosa,in neurons and in neutrophil. Significance of barr bodies: The number of Barr bodies is one less than the number of X chromosomes. Therefore by counting the number of barr bodies by a simple buccal smear test one can find out the numerical anomalies of sex chromosome.
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