In one study, when one identical twin had gender dysphoria, there was approximately a percent chance the other twin did too.

The correct answer is:

40%.

In the study Gender Identity Disorder in Twins: A Review of the Case Report Literature, out of 23 monozygotic female and male twins, nine (39.1%) were concordant for gender identity disorder (GID), best known as gender dysphoria. These conclusions allow considering a role for genetic factors in the development of GID.

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.

radiant energy is a form of kinetic energy only.(a)