Everything You Ever Wanted to Know About Transgender Brains — Assigned
It is believed that gender identity develops in the brain at a different gestational point than our largely sexually dimorphic bodies, so it’s entirely possible for them to develop in opposite directions. Brain development is theorized to occur due to hormone washes during the second trimester, whereas bodily development starts in the first and is determined by the presence of the SRY gene on the Y chromosome.
