Y chromosome
nounDefinition 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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More Definitions for Y chromosome
Y chromosome
nounEnglish Language Learners Definition of Y chromosome
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
See the full definition for Y chromosome in the English Language Learners Dictionary
Y chromosome
noun
\ ˈwī-
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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