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Neural Crest

By: M. Elizabeth Barnes | Published: Sep 15, 2014

Early in the process of development, vertebrate embryos develop a fold on the neural plate where the neural and epidermal ectoderms meet, called the…

VertebratesdevelopmentGerm LayersNeural CrestNeural Crest Cells

Oliver Allison Ryder III (1946– )

By: Bailey Renee, Karen Love | Published: Sep 14, 2017

Oliver Allison Ryder studied chromosomal evolution and endangered species in efforts for wildlife conservation and preservation at the San Diego Zoo…

San Diego ZooEscherichia coliPrzewalski's horseQuaggaBenirschke, Kurt

Biological Clocks and the Formation of Human Tooth Enamel

By: Kate MacCord | Published: Jan 31, 2013

Tooth enamel contains relics of its formation process, in the form of microstructures, which indicate the incremental way in which it forms. These…

EvolutionteethDental EnamelHuman EvolutionAnatomy

Charles Darwin's Theory of Pangenesis

By: Yawen Zou | Published: Jul 20, 2014

In 1868 in England, Charles Darwin proposed his pangenesis theory to describe the units of inheritance between parents and offspring and the…

HeredityDarwin, Charles, 1809-1882ReproductionEvolutionNatural selection

Thomas Henry Huxley (1825-1895)

By: Samantha Hauserman | Published: Nov 26, 2013

In nineteenth century Great Britain, Thomas Henry Huxley proposed connections between the development of organisms and their evolutionary histories,…

PeopleDarwin, Charles, 1809-1882EvolutionpaleontologyEmbryology

Karl Ernst von Baer's Laws of Embryology

By: M. Elizabeth Barnes | Published: Apr 15, 2014

In 1828, while working at the University of Konigsberg in Konigsberg, Germany Karl Ernst von Baer proposed four laws of animal development, which…

Baer, Karl Ernst von, 1792-1876EmbryologyAnatomy, Comparative

"A Genomic Regulatory Network for Development" (2002), by Eric H. Davidson, et al.

By: Justin M. Wolter | Published: Oct 11, 2013

In 2002 Eric Davidson and his research team published 'A Genomic Regulatory Network for Development' in Science. The authors present the first…

LiteratureGene regulatory networksSystems BiologyGenetic regulationGenes

Edmund Beecher Wilson (1856-1939)

By: Jane Maienschein | Published: Aug 05, 2013

Edmund Beecher Wilson contributed to cell biology, the study of cells, in the US during the end of the nineteenth and the beginning of the twentieth…


William Keith Brooks (1848-1908)

By: Kaitlin Smith | Published: Jul 01, 2010

Biologist William Keith Brooks studied embryological development in invertebrates and used his results as evidence for theories of evolution and…


Paul Kammerer's Experiments on Salamanders (1903-1912)

By: Federica Turriziani Colonna | Published: Dec 30, 2014

In the early twentieth century, Paul Kammerer conducted a series of experiments to demonstrate that organisms could transmit characteristics acquired…

Kammerer, Paul, 1880-1926SalamandraLaboratory animals--Breeding--ExperimentsLamarck, Jean Baptiste Pierre Antoine de Monet de, 1744-1829. Philosophie zoologique. EnglishHeredity

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