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Sufferers lack the ability to make the enzyme N-acetyl-hexosaminidase, which breaks down the GM2 ganglioside lipid.

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The Genetics of Down's Syndrome

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Human sex chromosome abnormalities.

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A DNA probe has been developed that hybridizes with the gene for dystrophin.

Description: A common abnormality is caused by nondisjunction , the failure of replicated chromosomes to segregate during Anaphase II.

3 COMMENTS

  1. good video but why would he finish that way?