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In 1881 British opthalmologist Warren Tay made an unusual observation. He reported a cherry-red spot on the retina of a one-year-old patient, a…
Tay-Sachs DiseaseCongenital DisordersHeredityLaunched in 2002, the International HapMap Project was a collaborative effort among scientists from around the world to create a map of common…
HapMap ProjectHuman Haplotype MapInternational HapMap ProjectHaplotypesGenome, humanIn 1990, Thomas J. Bouchard and his colleagues published the paper “Sources of Human Psychological Differences: The Minnesota Study of Twins Reared…
LiteratureNature and nurtureGeneticsHeredityTwin StudyDiana W. Bianchi studied the medical treatment of premature and newborn infants in the US during the twentieth and twenty-first centuries. Bianchi…
Prenatal DiagnosisGeneticsMax Ludwig Henning Delbrick applied his knowledge of theoretical physics to biological systems such as bacterial viruses called bacteriophages, or…
Meselson, MatthewUniversity of RochesterDNA ReplicationBacteriophagesEscherichia coliThe San Diego Zoo Institute for Conservation Research (SDZICR) in San Diego, California, is a research organization that works to generate, use, and…
OrganizationpreservationGeneticsEndangered SpeciesDNAIn 'Altruism and the Origin of the Worker Caste,' Bert Hölldobler and Edward Osborne Wilson explore the evolutionary origins of worker ants. '…
LiteratureAntsInsect societiesKin selection (Evolution)EvolutionDennis Lo, also called Yuk Ming Dennis Lo, is a professor at the Chinese University of Hong Kong in Hong Kong, China. In 1997, Lo discovered fetal…
genetic testingHuman chromosome abnormalities--DiagnosisPrenatal DiagnosisAmniocentesisChorionic Villus SamplingPaul M. Brakefield and his research team in Leiden, the Netherlands, examined the development, plasticity, and evolution of butterfly eyespot…
ButterfliesDevelopmental BiologyPhenotypic plasticityGenotype-environment interactionEvolutionary developmental biologyIn 1913, Alfred Henry Sturtevant published the results of experiments in which he showed how genes are arranged along a chromosome. Sturtevant…
DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutation