y-chromosome


y-chromosome

noun Genetics.

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

n.

  1. The sex chromosome associated with male characteristics, occurring with one X-chromosome in the male sex chromosome pair.

  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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