Researchers Find Link Between Heart Disease and Loss of Y Chromosome in Men - BioSpace

This type of Y chromosome loss is called mLOY (mosaic Loss Of Y). Mosaic refers to a mix of chromosomally different cells, with some being 46,XY and others being 45,X,-Y.

Chromosomally normal males have 46 chromosomes, with two of them being sex chromosomes, an X and a Y (46, XY), and as men age, they can lose some of those chromosomes. A new study published in Scienc… [+3478 chars]

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