Human X and Y chromosomes. Computer artwork of an X (left) and a Y (right) chromosome against a background of symbols representing the male sex. Every human cell has 46 chromosomes,of which 22 pairs are identical in both males and females. However,in males the last pair is composed of and X and Y chromosome,while females have two X chromosomes | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nicholls, David |
Taille de l’image : | 4322 px × 6113 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |