The increased risk of several types of cancer in Klinefelter syndrome (47XXY) suggests that the extra X chromosome may be involved in the tumorigenesis associated with this syndrome. Here, we show ...

With such an unstable composition, the Y chromosome is at risk of disappearing over multiple generations. Males tend to only have one copy of the Y chromosome, ...

A few millennia could see disappearance of the Y chromosome, researchers say. July 17, 2009— -- What makes a man a man? Socially, that is a complicated question. Genetically, however, it is ...

The Y chromosome in primates — including humans — is evolving much more rapidly than the X chromosome, new research on six primate species suggests. For instance, humans and chimpanzees share ...

A nearly gapless genome sequence of the echidna, an egg-laying mammal with multiple sex chromosomes, helps researchers to ...

The human Y chromosome, responsible for determining male sex, finally has gotten an end-to-end examination. The Y chromosome is the smallest of the human chromosomes. “In the old time, people ...

Men may not become extinct after all, according to a new study. Previous research has suggested the Y sex chromosome, which only men carry, is decaying genetically so fast that it will be extinct ...

The Y chromosome can disappear over time in human males, which may introduce a number of health problems. While the exact trigger for such degeneration is unknown, environmental factors can play a ...

The Y chromosome can disappear over time in human males, which may introduce a number of health problems. While the exact trigger for such degeneration is unknown, environmental factors can play a ...