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Y-chromosome
Y-chro·mo·some
(
plural
Y-chro·mo·somes
)
noun
Definition:
male sex chromosome:
the sex chromosome that determines the male sex in humans and other mammals. The body cells of males each possess one Y chromosome paired with one X chromosome.
Encarta® World English Dictionary [North American Edition] © & (P)2007 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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