ch27.pdf - Exam MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question 1 Name the two individuals who

ch27.pdf - Exam MULTIPLE CHOICE Choose the one alternative...

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ExamMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.1)Name the two individuals who provided the foundation for the modern interpretation of evolution.1)A)Watson and CrickB)Beadle and TatumC)Darwin and WallaceD)Franklin and WilkinsE)Creighton and McClintock2)Consanguineous (blood relatives) marriages leads to2)3)What term is given to the total genetic information carried by all members of a population?3)4)In a population of 100 individuals, 49% are of theNNblood type.What percentage is expected tobeMNassuming Hardy-Weinberg equilibrium conditions?4)5)Albinism is an autosomal recessive trait in humans. Assume that there are 100 albinos (aa) in apopulation of 1 million. How many individuals would be expected to be homozygous normal (AA)under equilibrium conditions?5)A)999,900B)19,800C)100D)980,100E)10,0006)In small isolated populations, gene frequencies can fluctuate considerably. The term that applies tothis circumstance is6)1
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7)The discipline within evolutionary biology that studies changes in allele frequencies is known as7)SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.8)Assume that a trait is caused by the homozygous (or hemizygous) state of a gene that isrecessive and X-linked. Nine percent of the females in a given population express thephenotype caused by this gene. What percentage of males would be expected to expressthis trait? What percentage of the females would be heterozygous for the gene?8)9)In a population that meets the Hardy-Weinberg equilibrium assumptions, 81 percent ofthe individuals are homozygous for a recessive gene. What percentage of the individualswould be expected to be heterozygous for this gene in the next generation?
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