Highlights:
- Down Syndrome or Trisomy 21, is a mutation of 21st set of human chromosomes.
- People having this syndrome have intellectual disabilities, delayed physical growth or characteristic facial features.
- Such children normally have unique features.
Down Syndrome or Trisomy 21, is a mutation of 21st set of human chromosomes. It is additional portion on a single strand or an enti....
Tags : Down Syndrome, Down Syndrome important facts, intellectual disabilities, 21st set of human chromosomes, mutation,
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