https://ndss.org/myths-truths
Facts, Myths, & Truths About Down Syndrome | National Down Syndrome Society (NDSS)
Down syndrome occurs when an individual has a full or partial ex
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https://ndss.org/about
About Down Syndrome | National Down Syndrome Society (NDSS)
In every cell in the human body there is a nucleus, where genetic material is stored in genes. Genes carry the codes responsible for all of our inherited...
about down syndromenationalsocietyndss