Genetic diseases 2024, December

Edwards' syndrome (trisomy 18) is a rare genetic disease in which an additional, third, chromosome 18 appears in DNA - the so-called 18th pair chromosome trisomy. This defect is the cause of abnormalities in the structure of many of the child's organs and the accompanying dysfunctions. Edwards' syndrome occurs once in 5,000 (according to other data, once in 3,500) births, especially in girls - four times more often than in boys.…

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Down syndrome (trisomy 21) is not a disease, but a gene defect caused by an extra chromosome 21. What is its cause, course and diagnosis.…

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