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View synonyms for Y chromosome
Y chromosome
noun
, Genetics.
- a sex chromosome of humans and most mammals that is present only in males and is paired with an X chromosome.
Y-chromosome
noun
- 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
- 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 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.
From The Daily Beast
There is in the male, in addition to the X, also a Y chromosome, which acts as its mate in synapsis and reduction.
From Project Gutenberg
The X chromosome in the male is represented by an open bar, the Y chromosome is bent.
From Project Gutenberg
Other evidence has shown that the Y chromosome of the male is indifferent, so far as these Mendelian factors are concerned.
From Project Gutenberg
The females that gave these results were found by Bridges to have two X's and a Y chromosome.
From Project Gutenberg
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