The Y chromosome can disappear over time in human males, which may introduce a number of health problems. While the exact ...

In most cases, females possess two X chromosomes, while males have one X and one Y. However, there is some evidence that the Y chromosome is being phased out of the evolutionary pipeline, ...

Adam Phillippy, a senior investigator in the computational and statistical genomics branch of the National Human Genome Research Institute at the National Institutes of Health, and Kateryna Makova, a ...

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 ...

While all human chromosomes contain repeats, more than 30 million letters of the Y chromosome — out of 62.5 million — are repetitive sequences, sometimes called satellite DNA or junk DNA.

The Y chromosome is very different from X and the 22 other chromosomes of the human genome. It is smaller and bears few genes (only 27 compared to about 1,000 on the X).

The male Y chromosome has disappeared from a species of rat, leading scientists to investigate how humans might also lose ours in the near future.. It's not all bad news for men though, as a paper ...

Sex chromosomes are chromosomes, or packages of DNA, that are found inside the nucleus of all of your cells. There are two different kinds: X and Y, which determine whether you’re biologically ...

Men lose Y chromosomes with age, and it might increase their risk of bladder cancer. The case of the missing Y chromosome and aggressive cancer growth is partially solved.