X And Y Chromosomes
Photograph - Photograph
X and Y chromosomes, coloured scanning electron micrograph (SEM). Humans have 46 chromosomes in total 23 inherited from the mother and 23 from the father. These sex chromosomes determine the individual's gender. Males have an X sex chromosome (pink) and a Y sex chromosome (blue) and females have two X sex chromosomes.
May 1st, 2013
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