Human Chromosomes pair No. 2 SEM Science Image

Ref: 80201285-80201292-2



Human chromosomes pair No. 2, 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 and xy for males. Magnification x35000