Exam 2: Biology Genetics and Evolution

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What deficiencies were revealed in the DNA testing protocol among refugees in the Dadaab refugee camp in Nairobi, Kenya?​

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When two or more genes contribute to the phenotypic expression of a single characteristic, it is known as:​

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The theory that maintains that although some changes in the earth's surface are immediately observable and caused by erosion and other natural processes, other changes are caused by gradual processes over extremely long periods of time is called:​

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Mammals have all of the following characteristics except:​

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Creationism has changed shape over the past decade. Discuss some of the major disagreements between creationism and evolution. Has your study of evolution in this chapter changed your understanding of this debate?​

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Darwin could not initially understand how variation occurred in living organisms.​

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Sickle-cell anemia is found in highest frequencies in populations from:​

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Factors that separate breeding populations and lead to the creation of new species are called __________ mechanisms.​

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The blood protein that carries oxygen is called _______________.​

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Sir Charles Lyell proposed a nonreligious theory to account for variations in the earth's surface over extremely long periods of time. It is called __________.​

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All of the following are true of evolution except:​

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Anthropologists study biological diversity among populations in terms of:​

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The wings of a bird and those of the butterfly are considered __________ structures.​

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Achromatopsia is a condition sometimes caused by founder effects. It is also known as:​

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If two body cells merge in meiosis, the result is a cell with 46 pairs of chromosomes.​

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The only source of new genetic material is random drift.​

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Distinguish between genotype and phenotype.​

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When two alleles on the same gene are not identical, they are called heterozygous.​

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Briefly describe the process of protein synthesis and the involvement of codons.​

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The four evolutionary forces are natural selection, gene flow, mutation, and __________.​

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