In Humans
In humans, having only a single X chromosome is known as Turner syndrome. However, such individuals generally present as female, as humans have an XY sex-determination system.
Read more about this topic: X0 Sex-determination System
Famous quotes containing the word humans:
“The land is the host and humans merely guests.”
—Chinese proverb.
“To not be afraid in our world is the message that doesn’t derive from reason, but maybe from this mysterious capacity given to humans which we call—not without a little embarrassment—faith.”
—Friedrich Dürrenmatt (1921–1990)