Sex chromosomes (X and Y chromosome). Allosomes. reproduction and human fertilization. In females are XX, in males are XY chromosomes. Male's sperm determines the sex of a child Tank Top #448075958
This must-have unisex jersey tank top has a modern fit, with a rounded neckline and crafted with superior combed and ring-spun cotton for an optimal printing surface. It comes in solid colors of 100% combed and ring-spun cotton, and Triblend colors that are 50% polyester, 25% combed and ring-spun cotton, and 25% rayon.
