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National Association for Down Syndrome (1960–)
By: Grace Rauch
| Published: Dec 22, 2022
The National Association for Down Syndrome, or NADS, is an organization that was founded in 1960 by Kathryn McGee in Chicago, Illinois, to support…
OrganizationDown syndromeChildren with Down syndromeMothers of children with Down syndromeDown syndrome--Patients--Biography
Trisomy 21 (Down Syndrome)
By: Grace Fitzgerald
| Published: Aug 01, 2022
As of 2022, Trisomy 21 is the most common type of trisomy, or a condition where the person has three instead of the normal two copies of one of the…
Genetic DisordersGenetic disorders in childrenGenetic disorders in pregnancyGenetic disorders--DiagnosisDown syndrome
Jérôme Lejeune (1926−1994)
By: Maeen Arslan, Grace Fitzgerald
| Published: Aug 19, 2021
Jérôme Lejeune was a French physician and researcher who studied genetics and developmental disorders. According to the Jérôme Lejeune Foundation, in…
Down syndromeMongolismKaryotypeGenetic ScreeningGenetic Concepts
John Langdon Down (1828–1896)
By: Risa Aria Schnebly, Grace Fitzgerald
| Published: Aug 12, 2021
John Langdon Down studied medicine in England in the nineteenth century and was one of the first people to develop a complete description of the…
Down syndromeDevelopmental DisabilitiesPartial Trisomy 21 Down SyndromeTrisomyPartial Trisomy
Trisomy 18 (Edwards Syndrome)
By: Mark Zhang
| Published: Aug 16, 2011
John Hilton Edwards first described the symptoms of the genetic disorder known as Trisomy 18 - one of the most common forms of trisomy, which occurs…
TrisomyFetusCongenital DisordersHuman Development