(As opposed to the usual 23 pairs or 46 chromosomes in a human, a Down Syndrome person has 47 chromosomes.) Children with Down Syndrome have anatomical and physiological differences in the mouth ...
However, Millie, who has Down syndrome, didn't want her big sister's help and expressed her frustration by grabbing Georgi's face. Geib didn't need to intervene, as her five-year-old responded calmly ...