Cufflinks, XY/XY Art.no.014
Art. no. 014
Square cufflinks with X and Y stamped in black
X and Y, which are the male chromosomes, are stamped in black on the cufflinks.
The gender is determined by the karyotype 46 XX, or 46 XY. Meaning that of 46 chromosomes two are telling the gender. For Individuals who have one X and one Y chromosome the gender is male, and two X chromosomes is a female.