While Emma has Down syndrome — specifically a rare type called Mosaic Down syndrome — some people don’t believe it. “At the ...

Mosaic Down syndrome is a variant of Down syndrome. Down syndrome is a congenital (present at birth) genetic condition that ...

Once Zambelli was tested, it came back positive for mosaic Down syndrome, or trisomy 21 mosaicism/mosaic trisomy 21. According to the Stanford Children's Hospital, this form of Down syndrome is ...

Decades of tests had shown that she had both Down syndrome and an intermediate level of Alzheimer's. Physical examinations ...

While Down syndrome is characterized by trisomy — having an extra chromosome — some people with it also have mosaicism, in which some cells have three of chromosome 21 but others only have the ...

World Down Syndrome Day is celebrated every year on March 21 to raise awareness about this congenital disease. Down syndrome ...