WHERE DO SEX CELLS FORM? HOW DOES AN EMBRYO FORM? WHERE DOES THE EMBRYO DEVELOP? HEREDITYFIND OUT MORENew life is created by reproduction. The mother and father produce sex cells, which join to…
MicroevolutionMicroevolution and MacroevolutionIntroductionMicroevolutionSpeciationMacroevolution Microevolution is the change in the genome, or gene pool, for a given species in a relatively short…
WHAT IS GENETIC VARIATION? HOW CAN WE MANIPULATE GENES? GM FOODCLONESSTEM CELLSFIND OUT MOREGenetic engineering is the manipulation of genes of living things. Scientists can now insert genes from…
(Encyclopedia) biotechnology, the use of biological processes, as through the exploitation and manipulation of living organisms or biological systems, in the development or manufacture of a product…
(Encyclopedia) NacogdochesNacogdochesnăkˌədōˈchĭs [key], city (1990 pop. 30,872), seat of Nacogdoches co., E Tex., in a pine and hardwood forest area; settled 1779. Industries in the city include…
(Encyclopedia) Dawkins, Richard (Clinton Richard Dawkins), 1941– British evolutionary biologist and ethologist, b. Kenya, Ph.D. Oxford, 1966. He was a research assistant under Nikolaas Tinbergen at…
Meiosis and Sexual ReproductionInheritanceIntroductionGenes at Work: Mendel's BreakthroughMeiosis and Sexual ReproductionGametogenesis in Plants and AnimalsRegulation of Gene Expression in…
(Encyclopedia) Fire, Andrew Zachary, 1959–, American geneticist, b. Palo Alto, Calif., Ph.D. Massachusetts Institute of Technology, 1983. After a long association with the Carnegie Institution of…
(Encyclopedia) Capecchi, Mario Renato, 1937–, American geneticist, b. Verona, Italy, Ph.D. Harvard, 1967. On the faculty at Harvard from 1967 to 1973, Capecchi became a professor at the Univ. of Utah…
