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SRY gene
noun
- a sex-determining gene on the Y chromosome in mammals that determines maleness and is essential for development of the testes.
Word History and Origins
Origin of SRY gene1
Example Sentences
A cheek swab test would be used to look for the SRY gene, while a dried blood spot test could also be used to determine an athlete's testosterone levels - in addition to the presence of the SRY gene.
The test for the SRY gene, which is "almost always on the male Y chromosome" and "is used as a highly accurate proxy for biological sex", would need to be taken just once by an athlete during their career.
This decision results from the coordinated activity of a set of genes, such as the Sry gene on the Y chromosome which has a short window of time to drive testes development.
Remember, here’s where the SRY gene plays a role.
Most often, the SRY gene is part of the Y chromosome, but sometimes, the SRY gene ends up on an X chromosome.
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