• synonyms

Y chromosome

See more synonyms for Y chromosome on Thesaurus.com
noun Genetics.
  1. a sex chromosome of humans and most mammals that is present only in males and is paired with an X chromosome.
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Compare X chromosome.

Origin of Y chromosome

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018