Williams syndrome. Fluorescence in situ hybrid- isation (FISH) micrograph of human chromosomes showing Williams syndrome (Severe infantile idiopathic hypercalcaemia). This genetic disorder is caused by the deletion of a gene on chromosome 7. The chromosome marked 7 at lower right shows four dots (genes) at the corners of its lower half (green). The chromosome marked del(7) at upper left shows only one such green area. FISH is a technique which allows individual genes to be highlighted on the chromosomes. Williams syndrome leads to moderate mental retardation,and failure of the child to thrive | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Addenbrookes Hospital / Dept. of Clinical Cytogenetics |
Bildgröße: | 3543 px × 2657 px |
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