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Genetic birth defects caused by errors in an entire chromosome or part of a chromosome, rather than in a single gene.
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News
Research in mice suggests that many of the deficits associated with Angelman syndrome could be alleviated. 08/02/07
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News
Geneticists have managed to transplant most of human chromosome 21 into mice to produce an animal model of Down's syndrome. 23/09/05
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Background
A disorder caused by an extra copy of chromsome 21. 15/06/04
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News
Should prenatal diagnostic testing be offered to all pregnant women on economic grounds? 29/01/04
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Background
Chromosome abnormalities involve the gain, loss or rearrangement of visible amounts of genetic material. 24/06/03
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