However, he adds that it’s unclear how the loss of the Y chromosome leads to inflammation in the heart. Forsberg and his team also explored how the damage caused by a missing Y chromosome might be ...

Scientists at University of Oregon discover one of the oldest known animal sex chromosomes in California two-spot octopus.

Numerical chromosomal abnormalities (aneuploidies) -- the presence of an extra chromosome (trisomy) or a missing chromosome (monosomy) -- result from segregation errors during cell division ...

A study conducted by a research team at the Crick Institute identified important genes on the Y chromosome that regulate ...

If the X chromosome is present, or if the SRY gene is missing from the Y chromosome, the embryo will develop into a female via mechanisms that are not fully understood.

Under the test, all chromosome numbers are examined for eggs fertilized in vitro so that only abnormality-free ones are returned to the uteri. A fertilized egg with an extra or missing chromosome ...

Researchers have uncovered which genes on the Y chromosome regulate the development of sperm and impact fertility in male mice. This research could help us understand why some men don't produce enough ...

For example, one healthy woman had 70 cells with extra copies of chromosome 1 and 73, as well as missing copies of chromosome 16. The most frequent chromosome changes in these healthy women were ...