Genetics Biologically female mammals have two X chromosomes, but what might surprise you is that one of those X's is turned off. We first discovered there was something funny going on with X-chromosomes in 1948.
Autoimmunity 80% of patients with an autoimmune disease are women, we are now beginning to understand why Approximately 80% of people with autoimmune diseases are women. We may now understand why this extreme gender bias exists.
