Definition of Y-linked gene

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Y-linked gene: A gene on the Y chromosome.

(Y-linkage is analogous to X-linkage (the presence of a gene on the X chromosome) in that it says a gene is on one of the sex chromosomes.)

It has often been said that little is known about genes that may be Y-linked. This is no longer true. As of the year 2012, about 3 dozen genes were known to be Y-linked including:

• ASMTY (which stands for acetyl serotonin methyltransferase),
• TSPY (testis-specific protein),
• IL3RAY (interleukin-3 receptor),
• SRY (sex-determining region),
• TDF (testis determining factor),
• ZFY (zinc finger protein), PRKY (protein kinase, Y-linked),
• AMGL (amelogenin),
• CSF2RY (granulocyte-macrophage colony-stimulating factor receptor, alpha subunit on the Y chromosome),
• ANT3Y (adenine nucleotide translocator-3 on the Y),
• AZF2 (azoospermia factor 2),
• BPY2 (basic protein on the Y chromosome),
• AZF1 (azoospermia factor 1),
• DAZ (deleted in azoospermia),
• RBM1 (RNA binding motif protein, Y chromosome, family 1, member A1),
• RBM2 (RNA binding motif protein 2) and
• UTY (ubiquitously transcribed TPR gene on Y chromosome).