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1. (n.) Y chromosome
a sex chromosome of humans and most mammals that is present only in males and is paired with an
Etymology: (1300–50)
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| Definition of 'y chromosome' |
Princeton's WordNet |
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1. (noun) Y chromosome
the sex chromosome that is carried by men
"human males normally have one X chromosome and one Y chromosome"
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| Definition of 'y chromosome' |
U.S. National Library of Medicine |
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1. y chromosome
The male sex chromosome, being the differential sex chromosome carried by half the male gametes and none of the female gametes in humans and in some other male-heterogametic species in which the homologue of the X chromosome has been retained.
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Definitions of y chromosome 
