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In Mills v. Board of Education of District of Columbia (1972), the United States District Court for the District of Columbia held that students with…
LawSpecial EducationPeople with mental disabilitiesPeople with mental disabilities--Services forIntellectual DisabilityWalter Stanborough Sutton studied grasshoppers and connected the phenomena of meiosis, segregation, and independent assortment with the chromosomal…
ChromosomesHeredityBoveri, Theodor, 1862-1915Wilson, Edmund B. (Edmund Beecher), 1856-1939GeneticsLeo Loeb developed an experimental approach to studying cancer and pioneered techniques for tissue culture and in vitro tissue transplantation which…
PeopleMarine Biological Laboratory (Woods Hole, Mass.)Embryology, ExperimentalTissue cultureEmbryosTelomeres are sequences of DNA on the ends of chromosomes that protect chromosomes from sticking to each other or tangling, which could cause…
TelomeraseGreider, Carol W.Wistar Institute of Anatomy and BiologyAgingDNAThe Origin and Behavior of Mutable Loci in Maize, by Barbara McClintock, was published in 1950 in the Proceedings of the National Academy of Sciences…
LiteratureMcClintock, Barbara, 1902-1992ChromosomesTransposonsCornImplantation is a process in which a developing embryo, moving as a blastocyst through a uterus, makes contact with the uterine wall and remains…
FetusPregnancyEmbryologyDevelopmental BiologyEmbryosRh incompatibility occurs when a pregnant woman whose blood type is Rh-negative is exposed to Rh-positive blood from her fetus, leading to the mother…
ReproductionFetusHuman DevelopmentThe birth control pill, more commonly known as "the pill" is a form of contraception taken daily in pill form and consisting of synthetic hormones…
ContraceptionReproductionReproductive RightsConjoined twins are twins whose bodies are anatomically joined in utero. The degree to which the twins are attached can range from simple, involving…
Twins, ConjoinedReproductionFetusIn July 2011, Makoto Ohnishi and colleagues published the article “Is Neisseria gonorrhoeae Initiating a Future Era of Untreatable Gonorrhea?:…
GonorrheaSexually Transmitted Diseases, BacterialSexually Transmitted DiseasesVenereal DiseasesSexually Transmitted Infections