Gene research
Numéro d’image : 11818634
| Gene research into breast cancer. A grid of DNA fragments is seen,making up human chromosome 17. Scientists have isolated chromosome 17 to be the site of a defective gene responsible for many cases of inherited breast cancer. This grid represents 20,736 (144x144) pieces of DNA,each of 40 kilobase length,which have been spotted onto filter paper. An X-ray plate has been superimposed onto the grid,showing some DNA fragments tagged with a radioactive marker (dark spots). These tagged DNA fragments,which may correspond to genes,have been hybridised (attached) to specific parts of chromosome 17. It is a technique which enables researchers to map genes on a chromosome | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / King-Holmes, James |
| Taille de l’image : | 3187 px × 4110 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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