Scientists Created Male and Female Cells from a Single Person
Most people have two sex chromosomes, either two X’s or an X and a Y, which give rise to female or male biological attributes on a spectrum. Studies suggest these chromosomes also have much broader effects, contributing to processes that include immune system function, neuronal development, disease susceptibility and reactions to drugs. But scrutinizing the specific role of X and Y chromosomes is challenging. With current tools, it is difficult to disentangle the effects of genes versus hormones, for example.
Now…