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RunzwithScissors

chromosome 21 screen

trisomy 21 is Down syndrome. This is my first Down syndrome screen -- for little kids

1,795 views
1 fave
1 comment
Uploaded on December 5, 2008
Taken on December 5, 2008

chromosome 21 screen

trisomy 21 is Down syndrome. This is my first Down syndrome screen -- for little kids

1,795 views
1 fave
1 comment
Uploaded on December 5, 2008
Taken on December 5, 2008
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