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View synonyms for 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.


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


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.
  2. See more at sex chromosomeSee Note at sex


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Word History and Origins

Origin of Y chromosome1

First recorded in 1920–25
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Example Sentences

Carried distinctly through men, the Y chromosome only gives a portion of the entire mitochondrial DNA.

There is in the male, in addition to the X, also a Y chromosome, which acts as its mate in synapsis and reduction.

The X chromosome in the male is represented by an open bar, the Y chromosome is bent.

Other evidence has shown that the Y chromosome of the male is indifferent, so far as these Mendelian factors are concerned.

The females that gave these results were found by Bridges to have two X's and a Y chromosome.

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YCY.C.L.