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Intraspecies Chimeras Produced in Laboratory Settings (1960-1975)
By: Sarah Taddeo
| Published: Nov 25, 2014
When cells-but not DNA-from two or more genetically distinct individuals combine to form a new individual, the result is called a chimera. Though…
ContextChimerismEmbryosEmbryonic Stem CellsMosaicism
Golden Rice
By: Marci Baranski
| Published: Sep 17, 2013
Golden Rice was engineered from normal rice by Ingo Potrykus and Peter Beyer in the 1990s to help improve human health. Golden Rice has an engineered…
TechnologyRiceBiotechnologyGenesMolecular Biology
The Southern Gastric-Brooding Frog
By: Christopher Rojas
| Published: Jan 26, 2015
The Southern Gastric-Brooding Frog (Rheobatrachus silus) was an aquatic frog that lived in south-east Australia. In 2002, the International Union…
Sexual behavior in animalsReproductive BehaviorExtinction (Biology)Extinct animalsCloning