Sex chromosomal abnormality hermaphrodite gender development. Growing into each other, uniting into one whole. You want the world to care more about gender because your biological sex is not what you want it to be. That could be true, but unfortunately stands on such a thin basis that if one is capricorn sagittarius sex to justify one based on the other, the sky is the limit. There have even been murder cases involving PMS as a defense. Once the rare sex is favored, the sex ratio gradually moves back toward equality. These are women who in middle age develop an adrenal condition where they produce too much testosterone and start to grow a beard. In a different environment, h 2 may not be that high. Johns Hopkins has in fact resumed performing transgender surgery as of this year. Some of them have the same researchers. However in rare cases mutations and abnormalities may alter the number of sex chromosomes, or cause the opposite genitalia to develop in xx or xy humans.