Y-chromosome


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Y chromosome

or Y-chro·mo·some (wī′krō′mə-sōm′)
n.
The sex chromosome associated with male characteristics in mammals, not occurring in females and occurring with one X chromosome in the male sex-chromosome pair.

Y-chromosome

n
(Biology) 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-chro·mo·some

(wī′krō′mə-sōm′)
The sex chromosome that is paired with an X-chromosome in males.
Translations

Y-chromosome

nY-Chromosom nt

Y-chromosome

[ˈwaɪˌkrəʊməsəʊm] ncromosoma m Y
References in periodicals archive ?
All the four of them are males, each with a Y-chromosome.
A set of reagents for the detection of microdeletions in the azf-locus of the y-chromosome.
In contrast to Y-chromosome or mitochondrial DNA tests, which only test one line of the family and generally provide information about ancestry several thousand years ago, the AncestryDNA autosomal test targets the last few hundred or thousand years which enables users to learn more about their more immediate family history.
Baroness Smith of Basildon said it was "hard to understand why the male Y-chromosome justifies a higher salary".
Baroness Smith of Basildon told the Lords it was "hard to understand why the male Y-chromosome justifies a higher salary".
Screening for Y-chromosome microdeletions in infertile Indian males: utility of simplified multiplex PCR.
Y-Chromosome analysis is used to research direct paternal ancestry.
But when colony collapse disorder finishes off the bees and moves on to anything with a Y-Chromosome, Kingsley has more to lose than video games and the attention of petroleum heiress Amanda.
This results in both gross reduction of spermatogenesis leading to oligozoospermia or azoospermia and/or functional defects in sperm if present leading to primary male infertility that we can call Y-chromosome infertility.
For this reason they were able to spread their Y-chromosome DNA much more widely than ordinary men could.
If we assume that any circulating Y-chromosome DNA in the maternal circulation is fetal in origin, then all we need do is apply PCR, Sanger sequencing, or whatever our method of choice is to the locus of interest to get our desired information (more about the validity of this assumption, below).
Mitochondrial Eve, Y-Chromosome Adam, and Population Size