Follow Healthline   |   Healthline on TwitterTwitter   |   Healthline on FacebookFacebook
Symptom Search   |   Treatment Search   |   Doctor Search   |   Drug Search

Down Syndrome Image

Advertisement
Marketplace
Back to Article



   Children with Down syndrome. The disease is...


Children with Down syndrome. The disease is caused by trisomy 21, meaning their bodies' cells have an extra chromosome 21. (? Lester V. Bergman/Corbis.)
Back to Article


Advertisement
Back to Top