Y chromosome


nounGenetics.
  1. a sex chromosome of humans and most mammals that is present only in males and is paired with an X chromosome.

Origin of Y chromosome

1
First recorded in 1920–25

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How to use Y chromosome in a sentence

British Dictionary definitions for Y-chromosome

Y-chromosome

noun
  1. the sex chromosome that occurs as one of a pair with the X-chromosome in the diploid cells of the males of many animals, including humans: Compare X-chromosome

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for Y-chromosome

Y-chromosome

  1. The sex chromosome that is paired with an X-chromosome in males. Most of the genes on the X-chromosome determine physical attributes associated with males, such as the development of testes. See more at sex chromosome. See Note at sex.

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