Filter my results
Search
Displaying 1 - 10 of 22
Embryonic Sex Differentiation and Sex Hormones (1947), by Carl R. Moore
By: Mary Drago
| Published: May 03, 2014
In 1947, Carl Richard Moore, a researcher at the University of Chicago, in Chicago, Illinois, wrote Embryonic Sex Differentiation and Sex Hormones,…
LiteratureEndocrinologyHormones, SexGonadal Steroid HormonesFreemartinism
Temperature-Dependent Sex Determination in Reptiles
By: Karla T. Moeller
| Published: Feb 01, 2013
The sex of a reptile embryo partly results from the production of sex hormones during development, and one process to produce those hormones depends…
Sex DifferentiationReproductionAdaptationfetal developmentEmbryology
“Sex Limited Inheritance in Drosophila” (1910), by Thomas Hunt Morgan
By: Kevin Gleason
| Published: May 22, 2017
In 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 studentsMutation
"The Adaptive Significance of Temperature-Dependent Sex Determination in a Reptile" (2008), by Daniel Warner and Richard Shine
By: Karla Moeller
| Published: Oct 07, 2013
In 2008 researchers Daniel Warner and Richard Shine tested the Charnov-Bull model by conducting experiments on the Jacky dragon (Amphibolurus…
ExperimentsSex DifferentiationReproductionAdaptationfetal development
“A Linkage Between DNA Markers on the X Chromosome and Male Sexual Orientation” (1993), by Dean H. Hamer and Charles A. Thomas.
By: Christina Nguyen
| Published: Apr 13, 2017
In 1993, Dean H. Hamer and colleagues in the US published results from their research that indicated that men with speicifc genes were more likely to…
HomosexualityMale homosexualityGeneticsX chromosomeGenetic sex determination
"Male Development of Chromosomally Female Mice Transgenic for Sry gene" (1991), by Peter Koopman, et al.
By: Troy Cox
| Published: Jan 28, 2014
Early 1990s research conducted by Peter Koopman, John Gubbay, Nigel Vivian, Peter Goodfellow, and Robin Lovell-Badge, showed that chromosomally…
Y ChromosomeTestisEmbryosChromosomesSex Chromosomes
Frank Rattray Lillie's Study of Freemartins (1914-1920)
By: Mary Drago
| Published: Mar 14, 2014
Frank Rattray Lillie's research on freemartins from 1914 to 1920 in the US led to the theory that hormones partly caused for sex differentiation in…
Lillie, Frank Rattray, 1870-1947Intersexuality in animalsFreemartinismHormonesExperiments
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
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
"Experiments in Plant Hybridization" (1866), by Johann Gregor Mendel
By: Amanda Andrei
| Published: Sep 04, 2013
During the mid-nineteenth century, Johann Gregor Mendel experimented with pea plants to develop a theory of inheritance. In 1843, while a monk in the…
GeneticsPeasLegumesPhenotypePlant breeding