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"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
Sex Determination in Humans
By: Risa Aria Schnebly
| Published: Jul 16, 2021
In humans, sex determination is the process that determines the biological sex of an offspring and, as a result, the sexual characteristics that they…
Sex DeterminationGenetic sex determinationIntersex peopleDiscrimination against intersex peopleStevens, N. M. (Nettie Maria), 1861-1912
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
"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
Henry Hubert Turner (1892–1970)
By: Megha Pillai
| Published: Jun 06, 2024
Henry Hubert Turner was a physician and researcher who studied hormones and human development in Oklahoma City, Oklahoma, during the twentieth…
Turner SyndromeNoonan SyndromeKlippel-Feil SyndromeEndocrine System DiseasesEndocrine Glands
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
“A Sex Chromosome Anomaly in a Case of Gonadal Dysgenesis (Turner’s Syndrome)” (1959), by Charles Edmund Ford, K. W Jones, Paul E. Polani, J. C De Almeida, and J. H Briggs
By: Megha Pillai
| Published: Aug 06, 2024
In 1959, Charles Edmund Ford and colleagues published “A Sex Chromosome Anomaly in a Case of Gonadal Dysgenesis (Turner’s Syndrome),” hereafter “A…
Turner SyndromeGonadal DysgenesisGonadal Dysgenesis, XOGonadal Dysgenesis, 45, XAbnormalities, Sex Chromosome
Ericsson Method of Sperm Separation
By: Alysse Blight
| Published: Sep 20, 2019
In 1973, Ronald Ericsson developed the Ericsson method, which is a technique used to separate human male sperm cells by their genetic material.…
TechnologySex ChromosomesGonosomesSpermSpermatozoa
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
Theophilus Shickel
Painter (1889-1969)
By: Dorothy Haskett
| Published: Nov 22, 2014
Theophilus Shickel Painter studied the structure and function of chromosomes in the US during in the early to mid-twentieth century. Painter worked…
ChromosomesKaryotypesSex ChromosomesGeneticsLinkage (Genetics)