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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 TrisomyIn 2005, the organization Asian Communities for Reproductive Justice, or ACRJ, published “A New Vision for Advancing Our Movement for Reproductive…
LiteratureReproductive RightsReproductive Health ServicesReproductive HealthCommunication in reproductive healthIn 1944, Oswald Avery, Colin MacLeod, and Maclyn McCarty published an article in which they concluded that genes, or molecules that dictate how…
LiteratureTransformation, BacterialBacterial TransformationStreptococcus pneumoniaeBacterial geneticsThe US President's Council on Bioethics was an organization headquartered in Washington D.C. that was chartered to advise then US President George W…
OrganizationbioethicsAdvisory boardsStem CellsEmbryonic Stem CellsCalvin Blackman Bridges studied chromosomes and heredity in the US throughout the early twentieth century. Bridges performed research with Thomas…
DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutationLeon Chesley published Hypertensive Disorders in Pregnancy in 1978 to outline major and common complications that occur during pregnancy and manifest…
LiteratureChesley, Leon C., 1908-2000HypertensionPreeclampsiaDownstate Medical Center (N.Y.)In 1993, Dean H. Hamer and colleagues in the US published results from their research that indicated that men with speicifc genes were more likely to…
HomosexualityMale homosexualityGeneticsX chromosomeGenetic sex determinationIn the late 1990s researchers Yuk Ming Dennis Lo and his colleagues isolated fetal DNA extracted from pregnant woman’s blood. The technique enabled…
AmniocentesisChorionic Villus SamplingFetusObstetricsDNAIn 1955, obstetrician Edward Bishop, a physician specializing in childbirth, published the article “Elective Induction of Labor,” in which he…
LiteratureReproductionChildbirthLabor, Induced (Obstetrics)ObstetricsWilhelm Friedrich Phillip Pfeffer studied plants in Germany during the late nineteenth and early twentieth centuries. He started his career as an…
Plant physiologyBotanyPlants--Irritability and movementsOsmotic PressureChemotaxis