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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

"Human Factor IX Transgenic Sheep Produced by Transfer of Nuclei from Transfected Fetal Fibroblasts" (1997), by Angelika E. Schnieke, et al.

By: Zane Bartlett | Published: Aug 19, 2014

In the 1990s, researchers working at the Roslin Institute in Edinburgh, Scotland, performed cloning experiments in collaboration with PPL…

CloningChristmas FactorBlood coagulation factor IXRoslin InstituteWilmut, Ian

The First Successful Cloning of a Gaur (2000), by Advanced Cell Technology

By: Caroline Appleton | Published: Jul 26, 2013

Advanced Cell Technology (ACT), a stem cell biotechnology company in Worcester, Massachusetts, showed the potential for cloning to contribute to…

Cell nuclei--TransplantationCloningGaurAdvanced Cell Technology (Firm)Embryos

Using Digital PCR to Detect Fetal Chromosomal Aneuploidy in Maternal Blood (2007)

By: Meilin Zhu | Published: Nov 08, 2017

In 2007, Dennis Lo and his colleagues used digital polymerase chain reaction or PCR to detect trisomy 21 in maternal blood, validating the method as…

Polymerase chain reactionNucleic Acid Amplification TechniquesDown syndromeDNAAneuploidy

Julia Bell (1879-1979)

By: Jesse King | Published: Dec 27, 2012

Julia Bell worked in twentieth-century Britain, discovered Fragile X Syndrome, and helped find heritable elements of other developmental and genetic…

Genetic Disordersfetal developmentRubella in pregnancyRubella virusHeredity

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

Edward B. Lewis (1918-2004)

By: Adam R. Navis | Published: Nov 11, 2007

Edward B. Lewis studied embryonic development in Drosophila, including the discovery of the cis-trans test for recessive genes, and the…

PeopleDrosophilaBiography
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“Human Organoids: Tools for Understanding Biology and Treating Diseases” (2020), by Frans Schutgens and Hans Clevers

By: Aida Movahed | Published: Aug 08, 2025

In 2020, Frans Schutgens and Hans Clevers published “Human Organoids: Tools for Understanding Biology and Treating Diseases,” hereafter “Human…

OrganoidsCell Culture Techniques, Three DimensionalPrimary Cell Cultureinduced pluripotent stem cellsAdult Stem Cells

“The Intergenerational Effects of Fetal Programming: Non-genomic Mechanisms for the Inheritance of Low Birth Weight and Cardiovascular Risk” (2004), by Amanda J. Drake and Brian R. Walker

By: Carrie Keller | Published: Nov 26, 2020

In 2004, Amanda J. Drake and Brian R. Walker published “The Intergenerational Effects of Fetal Programming: Non-genomic Mechanisms for the…

LiteratureReproductive HealthGestationFetal MonitoringFetal Distress

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