An illustration of a chromosome and a strand of DNA (deoxyribonucleic acid). Chromosomes are composed of a single,tightly coiled piece of DNA which encodes an organism's genetic information. DNA molecules are arranged as a double helix containing base pair structures known as adenine (A),guanine (G),thymine (T),and cytosine (C) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Oto, Evan |
Taille de l’image : | 5100 px × 4500 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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