And then there was "sex chromosome," which they had been given because of the fact that we had started seeing that the X would go with the females, and the Y would often go with the males.
ثم يوجد "كروموسوم الجنس"، تم تسميتهم بسبب حقيقة أننا بدأنا رؤية أن X يتماشى مع الإناث، وY يتماشى مع الذكور.