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

In mosaic Down syndrome, some of the person’s cells have three copies of chromosome 21, but some cells have two copies of this chromosome, resulting in a mixture. People with mosaic Down ...

Never miss a story — sign up for PEOPLE's free daily newsletter to ... Once Zambelli was tested, it came back positive for mosaic Down syndrome, or trisomy 21 mosaicism/mosaic trisomy 21.

She further explains that individuals with Down syndrome occasionally present two rare variations of the condition: Mosaic Down syndrome appears when ... Dr Khanna also explains that people with Down ...

Leah Spring's fifth child was born with Down Syndrome, and as she dove into the community, she and her husband learned about ...

People with Down's syndrome have the same ... and attaches to another chromosome or a rare type known as mosaic Down Syndrome, where some cells have the usual two copies of chromosome 21, while ...

Why is World Down Syndrome Day celebrated on March 21st? Learn how it raises awareness and supports inclusion worldwide!

Mosaic Down Syndrome (1-2% of the instances): Certain ... and health issues. Physical Features: People with Down syndrome tend to have a flat face, short ears, upslanting eyes, a short neck ...