Modern genetics reveals that over 50 genes across many chromosomes—not just X and Y—govern sex development. The term “sex ...

Now, a growing body of scientific evidence shows hundreds of genes act differently in the brains of biologically male or ...

If you were told that there were "soft markers" for Down syndrome during your level 2 ultrasound, you may be wondering what it means.

and studies assume that having two X chromosomes in females may provide them with greater immunity against harmful genetic ...