So the basic info on Down syndrome is that people with Down syndrome have an extra chromosome. You and I have 46 chromosomes (2 copies of 23 chromosomes). People with Down syndrome have 47 chromosomes. They have 3 copies of the 21st chromosomes. I believe this is the smallest of the 23 chromosomes and is associated with 400 genes. That could help to explain why so many aspects of a person can be affected by this extra chromosome.
Enough education for one day. Hope to get some photos up tomorrow.
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