Exercise Quizzes (See related pages) 1 Define evolution. 2 A mutation changes the genetic message of a cell. A) True B) False 3 Who is credited for formulation the theory of evolution? 4 The tendency to produce more offspring than competing individuals, and therefore contribute more genes to the next generation, is called ________. 5 Define natural selection. 6 A genotype consisting of two different alleles at a locus is ________. A) heterozygous B) homozygous C) dominant D) recessive 7 An allele whose expression is masked by dominant alleles is ________. A) heterozygous B) heterozygous C) dominant D) recessive 8 ________ is the proportion of individuals in a certain category relative to the total number of individuals considered. 9 The ________ Principle enables us to calculate and predict allelic and genotype frequencies. 10 List the Hardy-Weinberg Principle equations. 11 In the Hardy-Weinberg Principle equations, what does “p” and “q” represent? 12 List three assumptions of the Hardy-Weinberg Principle. 13 In positive selection, genotypes representing non-adaptive traits in an environment decrease in frequency because their bearers are less likely to survive and reproduce. A) True B) False 14 List two selection pressures not described in your manual. 15 In the procedures involving the Hardy-Weinberg Principle, what does an individual bead represent? A) generation B) genotype C) allele D) individual 16 The procedure examining the evolution of green algae compares changes in ________. A) The procedure examining the evolution of green algae compares changes in ________. B) number of flagella C) rate of photosynthesis D) colony complexity
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