Search
Filter by Topic
- People (309) Apply People filter
- Reproduction (112) Apply Reproduction filter
- Publications (111) Apply Publications filter
- Experiments (88) Apply Experiments filter
- Organizations (75) Apply Organizations filter
- Processes (73) Apply Processes filter
- Theories (70) Apply Theories filter
- Disorders (56) Apply Disorders filter
- Technologies (52) Apply Technologies filter
- Legal (40) Apply Legal filter
- Ethics (36) Apply Ethics filter
- Outreach (17) Apply Outreach filter
- Organisms (16) Apply Organisms filter
- Religion (10) Apply Religion filter
- DNA (1) Apply DNA filter
- Places (1) Apply Places filter
John D. Gearhart
John D. Gearhart is a renowned American developmental geneticist best known for leading the Johns Hopkins University research team that first identified and isolated human pluripotent stem cells from human primordial germ cells, the precursors of fully differentiated germ cells. Born in Western Pennsylvania, Gearhart lived on the family farm located in the Allegheny Mountains for the first six years of his life.
Format: Articles
Subject: People
Neurocristopathies
Neurocristopathies are a class of pathologies in vertebrates,
including humans, that result from abnormal expression, migration,
differentiation, or death of neural crest cells (NCCs) during embryonic development. NCCs are cells
derived from the embryonic cellular structure called the neural crest.
Abnormal NCCs can cause a neurocristopathy by chemically affecting the
development of the non-NCC tissues around them. They can also affect the
development of NCC tissues, causing defective migration or
Format: Articles
Subject: Theories
James David Ebert (1921-2001)
James David Ebert studied the developmental processes of chicks and of viruses in the US during the twentieth century. He also helped build and grow many research institutions, such as the Department of Embryology in the Carnegie Institution of Washington in Baltimore, Maryland and the Marine Biological Laboratory (MBL) in Woods Hole, Massachusetts. When few biologists studied the biochemistry of embryos, Ebert built programs and courses around the foci of biochemistry and genetics, especially with regards to embryology.
Format: Articles
Subject: People
"Human Factor IX Transgenic Sheep Produced by Transfer of Nuclei from Transfected Fetal Fibroblasts" (1997), by Angelika E. Schnieke, et al.
In the 1990s, researchers working at the Roslin Institute in Edinburgh, Scotland, performed cloning experiments in collaboration with PPL Therapeutics in Roslin, Scotland, on human coagulation factor IX, a protein. The team of scientists used the methods identified during the Dolly experiments to produce transgenic livestock capable of producing milk containing human blood clotting factor IX, which helps to treat a type of hemophilia.
Format: Articles
Subject: Experiments
Boris Ephrussi (1901-1979)
Boris Ephrussi studied fruit flies, yeast, and mouse genetics and development while working in France and the US during the twentieth century. In yeast, Ephrussi studied how mutations in the cytoplasm persisted across generations. In mice he studied the genetics of hybrids and the development of cancer. Working with George Wells Beadle on the causes of different eye colors in fruit flies, Ephrussi's research helped establish the one-gene-one-enzyme hypothesis. Ephrussi helped create new embryological techniques and contributed the theories of genetics and development.
Format: Articles
Subject: People
Temperature-Dependent Sex Determination in Reptiles
The sex of a reptile embryo partly results from the production of sex hormones during development, and one process to produce those hormones depends on the temperature of the embryo's environment. The production of sex hormones can result solely from genetics or from genetics in combination with the influence of environmental factors. In genotypic sex determination, also called genetic or chromosomal sex determination, an organism's genes determine which hormones are produced.
Format: Articles
Subject: Experiments
The Case Against Perfection: Ethics in the Age of Genetic Engineering (2007), by Michael J. Sandel
The Case against Perfection: Ethics in the Age of Genetic Engineering, hereafter referred to as The Case against Perfection, written by Michael J. Sandel, builds on a short essay featured in The Atlantic Monthly magazine in 2004. Three years later, Sandel transformed his article into a book, keeping the same title but expanding upon his personal critique of genetic engineering. The purpose of Sandel's book is to articulate the sources of what he considers to be widespread public unease related to genetic engineering that changes the course of natural development.
Format: Articles
Subject: Publications, Ethics
General Embryological Information Service, vol. 15, pt. 1
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 1
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 8
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 9
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 2
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 3
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 4
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 5
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 6
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 7
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 14
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 12 Suppl.
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 8 Suppl.
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 9 Suppl.
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 10
Format: Publications on the EP
Subject: People, Organizations
General Embryological Information Service, vol. 10 Suppl.
Format: Publications on the EP
Subject: People, Organizations