There are those, politicians, pundits and even a few scientists, who maintain that whether our bodies make ova or sperm are all we need to know about sex. They assert that men and women are defined by ...
A 3D graphic showing an artist's interpretation of human X and Y chromosomes. On the left are blue bundles of genetic material making an X shape and on the right blue bundles of genetic material ...
It is often said that each of us is either male or female biologically. It is said that even if a person feels that their gender identity does not match their biology—that, for example, despite having ...
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