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Jérôme Lejeune was a French physician and researcher who studied genetics and developmental disorders. According to the Jérôme Lejeune Foundation, in…
Down syndromeMongolismKaryotypeGenetic ScreeningGenetic ConceptsAs 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