(Encyclopedia) RéjaneRéjanerāzhänˈ [key], 1857–1920, stage name of Gabrielle Réju, French actress. After her first success, in Meilhac's Ma Camarade (1883), she grew in reputation as a comedienne.…
(Encyclopedia) Greb, Harry, 1894–1926, American boxer, b. Pittsburgh. Although blind in one eye, Greb was one of the most feared fighters in American ring history. He was a natural middleweight, but…
(Encyclopedia) Kingsport, city (1990 pop. 36,365), Hawkins and Sullivan counties, NE Tenn., on the Holston River near the Va. line; inc. 1917. Industries include one of the largest printing and…
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Genetic engineering: Gene-splicing techniques
genetic engineering, the use of various methods to manipulate the DNA (genetic material) of cells to change hereditary traits or…
(Encyclopedia) Wexler, Nancy, 1945–, American geneticist and neuropsychologist, b. Washington, D.C., Ph.D. Univ. of Michigan, 1974. After her mother was diagnosed with Huntington's disease in 1968,…
(Encyclopedia) cline, in biology, any gradual change in a particular characteristic of a population of organisms from one end of the geographical range of the population to the other. Gradients of…
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Replication of strands of DNA
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nucleic acid, any of a group of organic substances found in the chromosomes of living cells and viruses that play a central role in the…
(Encyclopedia) Green, Hetty, 1835–1916, American financier, b. Henrietta Howland Robinson, New Bedford, Mass. She inherited a large fortune from her father and invested it so shrewdly that she was…
(Encyclopedia) genetic testing, medical screening for genetic disorders, by examining either a person's DNA directly or a person's biochemistry or chromosomes for indirect evidence. Testing may be…