Role of Barr bodies obtained from oral smears in the determination of sex
Anoop, U.R.; Ramesh, V.; Balamurali, P.D.; Nirima, O.; Premalatha, B.; Karthikshree, V.P.
Indian Journal of Dental Research Official Publication of Indian Society for Dental Research 15(1): 5-7
2004
ISSN/ISBN: 0970-9290 PMID: 15682785 Document Number: 575910
Barr body is an inactivated X chromosome in the normal female somatic cell. Inactivation of these chromosomes is known as Lyonization. Lyonization has both genetic and clinical significance. Barr body can be easily identified with ordinary stains. It also helps in identifying the sex of an individual when used judiciously. A review is made on the lyonization of Barr body and its utility in sex determination.