Male Human Sex Chromosomes X and Y (Pair 23),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 x17500 at 10 cm wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Power And Syred |
Taille de l’image : | 4800 px × 4800 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |