Markos 10:6-8

But in the beginning of the Beriah (Creation) ZACHAR UNEKEVAH BARA OTAM ([HASHEM] made them male and female). AL KEN YAAZAV ISH ES AVIV V'ES IMMO V'DAVAK BISHTO (Because of this, a man will leave his father and his mother and he will be joined to his isha [wife]), V'HAYU L'VASAR ECHAD, (and the two will be one flesh). For this reason, they are no longer Shnayim but Basar Echad.