Human Chromosomes Pair No. 9 SEM Science Image

Ref: 80201279-80201296-9



Human chromosomes pair No. 9, scanning electron micrograph (SEM). There are 23 pairs of chromosomes in most normal human cells. These are allocated pairs 1 - 22 with pair 23 being the sex chromosomes, either xx for females or xy for males. Magnification x35000