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Eric Wieschaus (1947- )
By: May Catherine, Justin M. Wolter
| Published: Apr 29, 2014
Eric Wieschaus studied how genes cause fruit fly larvae to develop in the US and Europe during the twentieth and twenty-first centuries. Using the…
Drosophila melanogasterGeneticsGenetic Screening
Fate Mapping Techniques
By: Corinne DeRuiter
| Published: Nov 19, 2010
For more than 2000 years, embryologists, biologists, and philosophers have studied and detailed the processes that follow fertilization. The…
TechnologyCell Lineage
“An Extended Family with a Dominantly Inherited Speech Disorder” (1990), by Jane A. Hurst et al.
By: Kat Fowler
| Published: Mar 23, 2017
In 1990, researcher Jane Hurst and her colleagues published “An Extended Family With a Dominantly Inherited Speech Disorder,” in which they proposed…
LiteratureGeneticsGenetic and developmental diseases and disordersapraxiaLinguistics
HeLa Cell Line
By: Rohini Nott
| Published: Sep 18, 2020
The HeLa cell line was the first immortal human cell line that George Otto Gey, Margaret Gey, and Mary Kucibek first isolated from Henrietta Lacks…
HeLa CellsContinuous cell linesResearch EthicsInformed consent (Medical law)Cervix uteri--Cancer
Calvin Bridges’ Experiments on Nondisjunction as Evidence for the Chromosome Theory of Heredity (1913-1916)
By: Kevin Gleason
| Published: May 18, 2017
From 1913 to 1916, Calvin Bridges performed experiments that indicated genes are found on chromosomes. His experiments were a part of his doctoral…
DrosophilaHeredityInheritance of acquired charactersColumbia University--Graduate studentsMutation
Francois Jacob (1920-2013)
By: Valerie Racine
| Published: Sep 29, 2014
Francois Jacob studied in bacteria and bacteriophages at the Institut Pasteur in Paris, France, in the second half of the twentieth century. In…
BacteriaOperonsLac OperonGenetic regulationEscherichia coli--Genetics
Impact of Air Pollution on Reproductive Health” (1999), by Radim Srám
By: Ajeet Bains
| Published: Jun 30, 2020
In 1999, researcher Radim Srám, sometimes spelled Radim Šrám, published his article “Impact of Air Pollution on Reproductive Health” in the journal…
LiteratureEffect of air pollution onPollutantsPollutionAir--Pollution
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
“Use of reproductive technology for sex selection for nonmedical reasons” (2015), by the Ethics Committee of the American Society for Reproductive Medicine
By: Alysse Blight
| Published: May 27, 2019
In June 2015, the Ethics Committee of the American Society for Reproductive Medicine, or ASRM, published “Use of reproductive technology for sex…
LiteratureSex PreselectionFertilization in VitroReproductive technologyHuman reproductive technology
Alec John Jeffreys (1950–)
By: Corey Harbison
| Published: Jun 15, 2017
Alec John Jeffreys created a process called DNA fingerprinting in the UK during the twentieth century. For DNA fingerprinting, technicians identify a…
DNA fingerprintingForensic sciencesForensic AnthropologyMicrosatellites (Genetics)Exons (Genetics)