Definition
Labels Down Syndrome
Down syndrome, or trisomy 21, is a genetic disorder caused by the presence
of an extra copy of chromosome 21 or by a portion of chromosome
21 translocated (attached) to another chromosome in one of the affected
child’s parents.
of an extra copy of chromosome 21 or by a portion of chromosome
21 translocated (attached) to another chromosome in one of the affected
child’s parents.
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