Diseases and conditions found only on the X chromosome are said to be sex-linked, as are rare Y-linked conditions such as male infertility. The X chromosome is larger and commands more regulatory ...

Diseases and conditions found only on the X chromosome are said to be sex-linked, as are rare Y-linked conditions such as male infertility. The X chromosome is larger and commands more regulatory ...

The cells are male and therefore have XY chromosomes. Prof Katsuhiko's team then delete the Y chromosome, duplicate the X chromosome and then stick the two X's together. This adjustment allows the ...

Once upon a time, the Y chromosome — responsible for determining male sex — was as robust as its X counterpart. Fast forward a few million years, and it’s now a slimmed-down version of its ...

One of the leading causes, Y chromosome microdeletion (YCMD) is observed in one in every 10 men with infertility. Because of this genetic defect, the testes are unable to make enough sperm ...