english: 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.
non_english: A onda je došao naziv "polni hromozom", koji im je dat zbog činjenice da smo uvideli da X ide zajedno sa ženskim, a da Y često ide s muškim polom.