Sex chromosomes refer to chromosome that determines the sex of a person. Humans have two (2) sex chromosomes, X and Y, with the former determining female sexual characteristics, and t he latter, male sexual characteristics. A male is defined by the pairing of XY chromosomes, and a female, by the pairing of XX chromosomes.

Sex chromosomes is chromosome in the shape of a Y (male) or X (female) that determines the sex of the child; rod-shaped bodies in the nucleus of a cell at the time of cell division that contain information about whether the fetus will become male or female.