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Sex-determining Region Y in Mammals
By: Troy Cox
| Published: Dec 31, 2013
The Sex-determining Region Y (Sry in mammals but SRY in humans) is a gene found on Y chromosomes that leads to the development of male phenotypes,…
Y ChromosomeTestisEmbryosChromosomesSex Chromosomes
Alfred Henry Sturtevant (1891–1970)
By: Kevin Gleason
| Published: May 20, 2017
Alfred Henry Sturtevant studied heredity in fruit flies in the US throughout the twentieth century. From 1910 to 1928, Sturtevant worked in Thomas…
DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutation
Barbara McClintock's Transposon Experiments in Maize (1931–1951)
By: Federica Turriziani Colonna
| Published: Feb 09, 2017
Barbara McClintock conducted experiments on corn (Zea mays) in the United States in the mid-twentieth century to study the structure and function of…
TransposonsCornCytogeneticsChromosomesGenetics
Barbara McClintock (1902-1992)
By: Federica Turriziani Colonna
| Published: Jul 05, 2014
Barbara McClintock worked on genetics in corn (maize) plants and spent most of her life conducting research at the Cold Spring Harbor Laboratory in…
McClintock, Barbara, 1902-1992ChromosomesTransposonsCornDNA Transposable Elements
Curt Jacob Stern (1902-1981)
By: Dasia Garcia
| Published: Jun 23, 2017
Curt Jacob Stern studied radiation and chromosomes in humans and fruit flies in the United States during the twentieth century. He researched the…
ChromosomesHeredityMitosisDrosophilaDrosophila melanogaster
"The Origin and Behavior of Mutable Loci in Maize" (1950), by Barbara McClintock
By: Federica Turriziani-Colonna
| Published: Oct 24, 2014
The 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, 1902-1992ChromosomesTransposonsCorn
"Genetic Evidence Equating SRY and the Testis-Determining Factor" (1990), by Phillippe Berta et al.
By: Troy Cox
| Published: Jan 10, 2014
In the late 1980s, Peter Goodfellow in London, UK led a team of researchers who showed that the SRY gene in humans codes a protein that causes testes…
TestisY ChromosomeEmbryosChromosomesSex Chromosomes
Serial Cultivation of Human Diploid Cells in the Lab (1958–1961) by Leonard Hayflick and Paul S. Moorhead
By: Christian H. Ross
| Published: Apr 27, 2017
From 1958 to 1961, Leonard Hayflick and Paul Moorhead in the US developed a way in the laboratory to cultivate strains of human cells with complete…
MMR VaccineRubellaRubella--VaccinationFetal tissuesOncogenic Viruses
Hermann Joseph Muller (1890-1967)
By: Kevin Gleason
| Published: May 25, 2017
Hermann Joseph Muller studied the effects of x-ray radiation on genetic material in the US during the twentieth century. At that time, scientists had…
Muller, H. J. (Hermann Joseph), 1890-1967X-raysRadiationGeneticsMutation
Carol Widney Greider (1961-)
By: Zane Bartlett
| Published: Jan 26, 2015
Carol Widney Greider studied telomeres and telomerase in the US at the turn of the twenty-first century. She worked primarily at the University of…
Greider, Carol W.Women Nobel Prize winnersNobel Prize winnersTelomeraseTelomere