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 occurs when a person has three copies of chromosome 21 instead of two ...

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 ...

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 ...

She further explains that individuals with Down syndrome occasionally present two rare variations of the condition: Mosaic Down syndrome appears when only some body cells contain an extra chromosome, ...

World Down Syndrome Day is celebrated every year on March 21 to raise awareness about this congenital disease. Down syndrome occurs due to chromosomal abnormality in which a person has an extra ...

Could two pieces of a stone mosaic ever be identical? Of course, the answer is no--and each stone’s variation subtly contributes value to the finished work. Why should your cells be any different?