Down syndrome
Overview The genetic basis of Down syndrome Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21. This…
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Overview The genetic basis of Down syndrome Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or partial copy of chromosome 21. This…
This is the VOA Special English Health Report. Human genes are normally organized along forty-six chromosomes in our cells, twenty-three from each parent. But some people are born with an…
This is the VOA Special English Health Report. Deep inside each cell in our body is all the genetic information needed for life. Human genes are normally organized along forty-six…