Down Syndrome
On March 21, I read that this was 'World Down Syndrome Day'. Why on March 21, I wondered. The answer was quickly found. Someone with Down syndrome has three instead of two chromosomes of chromosome...
Children's stamp
On March 21, I read that this was 'World Down Syndrome Day'. Why on March 21, I wondered. The answer was quickly found. Someone with Down syndrome has three instead of two chromosomes of chromosome...
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