Y chromosome

noun

Definition of Y chromosome

: a sex chromosome that is characteristic of male cells in species in which the male typically has two unlike sex chromosomes — compare x chromosome

First Known Use of y chromosome

1911

in the meaning defined above

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Y CHROMOSOME Defined for English Language Learners

Y chromosome

Definition of Y chromosome for English Language Learners

  • biology : a chromosome that is found with the X chromosome in the cells of male mammals and that is absent from the cells of female mammals


Medical Dictionary

Y chromosome

noun \ ˈwī- \

medical Definition of Y chromosome

: a sex chromosome that is characteristic of male cells in species in which the male typically has two unlike sex chromosomes — compare x chromosome

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