(Encyclopedia) Sutherland, Earl Wilbur, 1915–1974, American pharmacologist and physiologist, b. Burlingame, Kans., M.D., Washington Univ. Medical School, 1942. He was a professor at Washington Univ…
Gametogenesis in Plants and AnimalsInheritanceIntroductionGenes at Work: Mendel's BreakthroughMeiosis and Sexual ReproductionGametogenesis in Plants and AnimalsRegulation of Gene Expression in…
(Encyclopedia)
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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…
WHAT ARE BACTERIA AND VIRUSES? WHAT ARE GENETIC DISEASES? WHY DO SOME PEOPLE SUFFER FROM ALLERGIES? WHAT IS CANCER? MEDICINEFIND OUT MOREAnything that damages the body or how it works can be called…
(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…
(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,…
singer, actressBorn: 9/26/1948Birthplace: Cambridge, England Born in England and reared in Australia, singer Olivia Newton-John scored with numerous country-tinged pop hits during the 1970s and…
SpeciationMicroevolution and MacroevolutionIntroductionMicroevolutionSpeciationMacroevolution According to the theory of natural selection, speciation is the creation of new species by genetic…
(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…
