Learn why identical twins are almost always the same sex, though they may be different genders. Medically reviewed by Alyssa ...

These twins can be of different or of the same sex. Can identical twins be different genders? Created with Sketch. No. However, there is an extremely rare genetic mutation where identical twins ...

Can fraternal twins have different fathers ... The Science of Fraternal Twins Mixed-gender twins are the most common type of fraternals, some 50 percent are boy-girl. To understand this ...

A conjoined twin has revealed that he hid his true gender identity ... but facing in opposite directions and even pursuing widely different careers. While they could not spend a minute apart ...

PATERSON, N.J. (AP) – In a story May 7 about a pair of twins found to have different fathers, The Associated Press erroneously reported the last name of the judge handling the paternity case.