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Biologist William Keith Brooks studied embryological development in invertebrates and used his results as evidence for theories of evolution and…
BiographyEducationMultiple theories about what determines sex were tested at the turn of the twentieth century. By experimenting on germ cells, cytologist Nettie Maria…
PeopleHeredityReproductionBiographyPhysician and pathologist Elizabeth Maplesden Ramsey was a member of the Carnegie Institution of Washington (CIW) for thirty-nine years. The…
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