The Y chromosome is slowly degenerating
So far, we have always attributed the Y chromosome to the symbol of masculinity. But it turns out this type of chromosome is not as strong and durable as we imagined.Detecting a bisexual thanks to DNA test for blood test
The father is sure the gender of his son is a boy, but the expert says that the girl. As a result of DNA analysis, the child is bisexual due to Klinefelter's syndrome.