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, ...

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.

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 ...

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 ...

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.

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 ...