The brain has sex

The brain is typically male or typically female , ie the brain or is female or male.
Disorders of sexuality ( gonadal glands, testes and ovaries) , when they have a dysfunction , cause the individual who suffers, has a confused sexual identity , but his brain is still what it was male or female.
So sexual trans do not exist, there are confused people due to malfunction of gonadal glands.
The reproductive organs and brain have sex . Only one woman body form and mature ova , and only a male body produces sperm . The state of the DNA of eggs is different from state with the genetic material of the sperm . That state of sex -specific DNA is called parental imprinting.

It is well known that to live and develop an individual is required to inherited genetic endowment , composed of 23 pairs of chromosomes, have maternal imprint on one chromosome of each pair and the other chromosome paternal imprinting .