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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
Calvin Blackman Bridges (1889-1938)
By: Kevin Gleason
| Published: May 19, 2017
Calvin Blackman Bridges studied chromosomes and heredity in the US throughout the early twentieth century. Bridges performed research with Thomas…
DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutation
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
"The linear arrangement of six sex-linked factors in drosophila, as shown by their mode of association” (1913), by Alfred Henry Sturtevant
By: Kevin Gleason
| Published: May 22, 2017
In 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
Thomas Hunt Morgan (1866-1945)
By: Mary E. Sunderland
| Published: Sep 25, 2007
Although best known for his work with the fruit fly, for which he earned a Nobel Prize and the title "The Father of Genetics," Thomas Hunt Morgan's…
PeopleMorgan, Thomas Hunt, 1866-1945Genetics, ExperimentalNobel Prize winnersDrosophila melanogaster
Studies in Spermatogenesis (1905), by Nettie Maria Stevens
By: Troy Cox
| Published: Jan 22, 2014
Studies in Spermatogenesis is a two volume book written by Nettie Maria Stevens, and published by the Carnegie Institution of Washington in 1905 and…
LiteratureSpermatogenesisGenetic sex determinationSex DifferentiationEmbryos
Bicoid
By: Jack Resnik
| Published: Jun 02, 2012
Bicoid is the protein product of a maternal-effect gene unique to flies of the genus Drosophila . In 1988 Christiane Nüsslein-Volhard identified…
Nüsslein-Volhard, C. (Christiane)EmbryosMorphogenesisTuring, Alan, 1912-1954Morgan, Thomas Hunt, 1866-1945
The Y-Chromosome in Animals
By: Dorothy R. Haskett
| Published: May 28, 2015
The Y-chromosome is one of a pair of chromosomes that determine the genetic sex of individuals in mammals, some insects, and some plants. In the…
Y ChromosomeSex ChromosomesEmbryosDNAChromosomes
Edmund Beecher Wilson (1856-1939)
By: Jane Maienschein
| Published: Aug 05, 2013
Edmund Beecher Wilson contributed to cell biology, the study of cells, in the US during the end of the nineteenth and the beginning of the twentieth…
EmbryologyCellsCytologyHeredityEvolution