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Biology 110 Crowther

Biology Exam #2

QuestionAnswerQuestionAnswer
Lysosome break down molecules
Evolution the change in frequency of alleles in a population
Species defined as a group of organisms that can be successfully inbreed with one another in nature but that don't successfully interbreed with members of other such groups.
Population defined as all of the members of a species that live in a defined geographic region at a given time.
Genotype genetic makeup of an organism
Phenotype observable traits of the genotype
Alleles one of the alternative forms of a single gene which are inherited from the mother and the father Five agents of Macroevoltion Mutation, Gene Flow, Genetic Drift, Sexual Selection and Natural Selection
Gene Pool all the alleles that exist in a population Age of Earth 13.7
Microevolution A change in "within" a population Classification of Species Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Macroevolution evolution that results in the formation of a new species or other large groupings of living things Domains Eurkaryotes,Bacteria, Archaea
Bottleneck change in allele frequency due to sharp reduction in population Kingdoms Anamalia, Plantae, Fungi, Protist
Founder Effect Small subpopulation migrates and forms a new population with only a portion of the "gene pool" Where is the cleavage furrow found? Telophase and Cystokinesis.
Created by: brigitteb
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