Canadian Medical Guide > Anatomy > Cells > Cellular Structures > Chromosomes > Sex Chromosomes > Sex Chromatin Terms and Definitions
Sex Chromatin
Medical Definition: | In the interphase nucleus, a condensed mass of chromatin representing an inactivated X chromosome. Each X CHROMOSOME, in excess of one, forms sex chromatin (Barr body) in the mammalian nucleus. (from King & Stansfield, A Dictionary of Genetics, 4th ed) |
Guide Notes: | A 11 qualif except /cytol; /genet /isol permitted |
Sex Chromatin Medical Definitions and Terms
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