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Telomerase is an enzyme that regulates the lengths of telomeres in the cells of many organisms, and in humans it begins to function int the early…
TelomeraseTelomereDNAMolecular BiologySomatic embryogenesisVACTERL association is a term applied to a specific group of abnormalities involving structures derived from the mesoderm. Although the defects of…
VATER syndromeVACTERL associationCongenital DisordersIn 1910, Thomas Hunt Morgan performed an experiment at Columbia University, in New York City, New York, that helped identify the role chromosomes…
DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutationOn the Origin of Mitosing Cells by Lynn Sagan appeared in the March 1967 edition of the Journal of Theoretical Biology. At the time the article was…
LiteratureMitosisEndosymbiosisflagellasymbiosisRegeneration is a fascinating phenomenon. The fact that many organisms have the capacity to regenerate lost parts and even remake complete copies of…
Regeneration (Biology)RegenerationThe Public Broadcasting Station (PBS) documentary Life's Greatest Miracle (abbreviated Miracle, available at http://www.pbs.org/wgbh/nova/miracle/…
LiteratureHuman DevelopmentReproductionMoviesTomorrow's Children is a film that tells the story of Alice Mason, a young woman whom the US government forcibly sterilizes because she comes from a…
LiteratureEugenicsInvoluntary SterilizationCompulsory SterilizationCensorshipMatthew Meselson, Franklin Stahl, and Jerome Vinograd, developed cesium chloride, or CsCl, density gradient centrifugation in the 1950s at the…
TechnologyDNA ReplicationDNA replication--RegulationCentrifugation, Density GradientOrganonitrogen compoundsThe Supreme Court of California reversed the Superior Court of Fresno County's decision to dismiss the Turpins' claims in the case Turpin v. Sortini…
LawWrongful lifeReproductionCongenital DisordersbioethicsIn 1983, researchers Alan Trounson, John Leeton, Carl Wood, Mandy Besanko, and Angelo Conti published the article “Pregnancy Established in an…
LiteratureFertilization in VitroIn vitro fertilizationEgg donorsTest-Tube Babies