Medically reviewed by Nicholas R. Metrus, MD Key Takeaways Mosaic Down syndrome has some cells with three copies of chromosome 21, and some with two instead of all three.Only about 1% to 2% of people ...

Gene editing techniques may eventually allow trisomy to be treated at the cellular level, according to an in vitro proof-of-concept study. Down syndrome is caused by the presence of a third copy of ...

ALBANY, N.Y. (NEWS10) – October is Down Syndrome Awareness Month. Around 1 in 700 babies in the United States is born each year with Down Syndrome, according to the National Down Syndrome Society.

Emma McLean is a 6-year-old girl who loves Taylor Swift, reading books, playing the drums and hanging with her little sister. While Emma has Down syndrome — specifically a rare type called Mosaic Down ...

Extra X chromosomes significantly increase the risk for systemic lupus erythematosus (SLE) and Sjögren disease, with the prevalence of these conditions being higher among patients with Klinefelter and ...

A year after introducing its first doll with Down syndrome, Barbie will add another doll with the chromosomal disorder and debut a blind Barbie. Mattel, which makes the dolls, said it is offering a ...

Women with Down syndrome have more advanced signs of Alzheimer's disease than men do at the average age of diagnosis, which is the same for both sexes, according to research by the University of ...