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Epigenetic Landscape
By: Adam R. Navis
| Published: Oct 30, 2007
The epigenetic landscape is a concept representing embryonic development. It was proposed by Conrad Hal Waddington to illustrate the various…
Waddington, C. H. (Conrad Hal), 1905-1975EpigeneticsCell differentiationEmbryologyDevelopmental Biology
Carl Richard Moore (1892-1955)
By: Mary Drago
| Published: Feb 18, 2014
Carl Richard Moore was a professor and researcher at the University of Chicago in Chicago, Illinois who studied sex hormones in animals from 1916…
Moore, Carl R. (Carl Richard), 1892-1955Intersexuality in animalsIntersex peopleHormones, SexSex Differentiation
The Notch Signaling Pathway in Embryogenesis
By: Justin Wolter
| Published: Mar 06, 2013
The Notch signaling pathway is a mechanism in animals by which adjacent cells communicate with each other, conveying spatial information and genetic…
EmbryologyDevelopmental BiologyEmbryosCell differentiationNotch genes
Stephen Jay Gould (1941-2002)
By: M. Elizabeth Barnes
| Published: Feb 18, 2014
Stephen Jay Gould studied snail fossils and worked at Harvard University in Cambridge, Massachusetts during the latter half of the twentieth century…
Punctuated equilibrium (Evolution)Spandrel beamsOntogenyPhylogenyFossils
"On the Induction of Embryonic Primordia by Implantation of Organizers from Different Species" (1924), Hilde Mangold's Dissertation
By: Megan Kearl, Kate MacCord
| Published: Dec 19, 2012
Hilde Proscholdt Mangold was a doctoral student at the Zoological Institute at the University of Freiburg in Freiburg, Germany, from 1920-1923.…
LiteratureEmbryosTrembley, Abraham, 1710-1784GastrulationEmbryology
"Development, Plasticity and Evolution of Butterfly Eyespot Patterns" (1996), by Paul M. Brakefield et al.
By: Yawen Zou
| Published: Sep 10, 2013
Paul M. Brakefield and his research team in Leiden, the Netherlands, examined the development, plasticity, and evolution of butterfly eyespot…
ButterfliesDevelopmental BiologyPhenotypic plasticityGenotype-environment interactionEvolutionary developmental biology