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Trisomy 18 (Edwards Syndrome)
By: Mark Zhang
| Published: Aug 16, 2011
John Hilton Edwards first described the symptoms of the genetic disorder known as Trisomy 18 - one of the most common forms of trisomy, which occurs…
TrisomyFetusCongenital DisordersHuman Development
The Shettles Method of Sex Selection
By: Alysse Blight
| Published: Apr 03, 2019
In the 1960s in the United States Landrum B. Shettles developed the Shettles method, which is a procedure for couples to use prior to and during an…
TechnologySex PreselectionSex PredeterminationFamily PlanningSex 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
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
Your Baby’s Sex: Now You Can Choose (1970), by David M. Rorvik and Landrum B. Shettles
By: Alysse Blight
| Published: Oct 31, 2019
In the book Your Baby’s Sex: Now You Can Choose, David Michael Rorvik and Landrum Brewer Shettles describe methods that couples can use prior to and…
LiteratureSex PreselectionSex PredeterminationFamily PlanningGender
X-Linked Severe Combined Immunodeficiency (X-SCID)
By: Maggie Zhou
| Published: Jun 25, 2024
X-linked severe combined immunodeficiency, or X-SCID, is a chromosomal disorder in which the immune system lacks multiple protective cells that…
X-Linked Combined Immunodeficiency DiseasesX-Linked SCIDSevere Combined ImmunodeficiencyBone Marrow--TransplantationAutoimmune Diseases
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
Biological Sex and Gender in the United States
By: Risa Aria Schnebly
| Published: Jun 13, 2022
In the United States, most people are assigned both a biological sex and gender at birth based on their chromosomes and reproductive organs.…
GenderGender-nonconforming peopleGender transitionGender expressionGender Nonconformity
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
Angelman Syndrome
By: Jonathan North
| Published: Aug 12, 2014
Angelman syndrome is a disorder in humans that causes neurological symptoms such as lack of speech, jerky movements, and insomnia. A human cell has…
Angelman syndromeGenomic imprintingHuman chromosome 15--AbnormalitiesHuman chromosome 15Happy Puppet Syndrome