The Y chromosome is perhaps the most puzzling part of the human genome. Associated with male development, it is chock-full of repetitive and inverted stretches of DNA, a hurdle that makes it ...

The chromosome associated with male development, which is the last mysterious piece of the human genome, has been fully sequenced by a team of more than 100 researchers around the world, including ...

Aging men often lose the Y chromosome in a growing number of their cells—and it may be far more dangerous than once believed. This loss has been linked to heart disease, cancer, Alzheimer’s, and ...

The 23 rd chromosome base pair contains what are known as our sex chromosomes. For most females, this pair contains two X chromosomes, while for most males, it contains one X chromosome and one Y ...

Most people remember from life science or sex education courses how a baby’s sex is determined: The combination of two X chromosomes during fertilization will result in a female being born; the union ...

In the 1960s, doctors counting the number of chromosomes in human white blood cells noticed a strange phenomenon. Frequently—and more frequently with age—the cells would be missing the Y chromosome.

‌Although genetics are hereditary, a phenomenon in genetic alterations occurs when male babies receive an extra Y chromosome in each of their cells, resulting in an XYY combination. The syndrome is ...

HOUSTON – (April 20, 2006) – The complete sequencing of human chromosome 17 and mouse chromosome 11 offers unique insights into the evolution of the genome of higher mammals, said a Baylor College of ...