释义 |
WordReference Random House Unabridged Dictionary of American English © 2024Barr′ bod′y (bär),USA pronunciation - Genetics, Medicinea condensed, inactivated X chromosome present in most female mammals in the nuclei of all cells except the germ cells: used, as in sports competitions, to verify that an individual is genetically female. Also called sex chromatin.
- after Murray Latin. Barr (born 1908), Canadian physician 1960–65
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