Columbia Encyclopedia

Search results

260 results found

Mendel, Gregor Johann

(Encyclopedia)Mendel, Gregor Johann grāˈgôr yōˈhän mĕnˈdəl [key], 1822–84, Austrian monk noted for his experimental work on heredity. He entered the Augustinian monastery in Brno in 1843, taught at a loc...

Mendel, David

(Encyclopedia)Mendel, David: see Neander, Johann August Wilhelm. ...

breeding

(Encyclopedia)breeding, in agriculture and animal husbandry, propagation of plants and animals by sexual reproduction; usually based on selection of parents with desirable traits to produce improved progeny. In con...

biometrics, in biology

(Encyclopedia)biometrics, also known as biostatistics or biometry, in biology, the development and application of statistical and mathematical methods to the analysis of data resulting from biological observations ...

Neander, Johann August Wilhelm

(Encyclopedia)Neander, Johann August Wilhelm yōˈhän ouˈgo͝ost vĭlˈhĕlm nāänˈdər [key], 1789–1850, German theologian and church historian. Of Jewish parentage, he became a Lutheran (1806), changing his...

Mayr, Ernst

(Encyclopedia)Mayr, Ernst ĕrnst mīr [key], 1904–2005, American zoologist and author, b. Kempten, Germany. He began his career in Berlin and emigrated to the United States in 1931, where, until 1953, he was asso...

blood groups

(Encyclopedia)blood groups, differentiation of blood by type, classified according to immunological (antigenic) properties, which are determined by specific substances on the surface of red blood cells. Blood group...

pea

(Encyclopedia)pea, hardy, annual, climbing leguminous plant (Pisum sativum) of the family Leguminosae (pulse family), grown for food by humans at least since the early Bronze Age; no longer known in the wild form. ...

heredity

(Encyclopedia)heredity, transmission from generation to generation through the process of reproduction in plants and animals of factors which cause the offspring to resemble their parents. That like begets like has...

atavism

(Encyclopedia)atavism ătˈəvizəm [key], the appearance in an individual of a characteristic not apparent in the preceding generation. At one time it was believed that such a phenomenon was thought to be a revers...
 

Browse by Subject