Test Bank For Physical Anthropology 12th Edition by Philip Stein
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Ace your Physical Anthropology course with our Test Bank for the 12th Edition by Philip Stein. This comprehensive resource features a diverse range of questions and answers designed to test your knowledge on human evolution, primate behavior, and the intricacies of the human body. Prepare for exams with confidence and deepen your understanding of this fascinating field.
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- ISBN13: 9781259920400
Test Bank For Physical Anthropology 12th Edition by Philip Stein
Chapter 03
The Modern Study of Human Genetics
Multiple Choice Questions
1. A single nucleotide polymorphism (SNP) refers to:A. an error in the genetic code involving the replacement of multiple proteins by a single proteinB. the presence of only a single allele of a geneC. an error in the genetic code involving a single change of a nucleotide at a particular pointD. the presence of a dominant allele and a recessive allele of a single gene
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2. How many major alleles does the ABO blood-type system have?A. oneB. twoC. threeD. fourE. more than four
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3. The hemoglobin molecule is composed of four chains of amino acids: two alpha chains and two beta chains. The start of the code of the beta chain is GTGCACCTGACTCCTGAG. This codes for the first six amino acids of this chain: valine-histidine-leucine-threonine-proline-glutamic acid. If a single nucleotide polymorphism (SNP) occurs in the code for glutamic acid, which of the following will be a consequence of the SNP?A. it will result in a different amino acid replacing glutamic acidB. it will result in glutamic acid replacing all six amino acids at the start of the beta chainC. it will result in the amino acids present after glutamic acid in the beta chain being replaced by different amino acidsD. it will result in glutamic acid replacing all amino acids in the beta chain
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4. Phenylketonuria (PKU) is an inherited:A. skeletal abnormalityB. blood disorderC. metabolic abnormalityD. psychiatric disorder
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5. Ashkenazi Jews:A. are the only population to carry the allele for Tay-Sachs diseaseB. have a high carrier rate for Tay-Sachs diseaseC. have the lowest carrier rate for Tay-Sachs diseaseD. may have a high carrier rate for Tay-Sachs disease but also possess a regulator gene that prevents the disease from expressing itself
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6. Achondroplastic dwarfism in humans is inherited as:A. a result of a dominant alleleB. a lethal recessiveC. an X-linked traitD. a recessive
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7. Which of the following is a late-onset genetic disease characterized by the loss of motor control associated with jerky movements and psychiatric symptoms?A. Klinefelter syndromeB. Turner syndromeC. Tay-Sachs diseaseD. Huntington’s disease
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8. Which of the following is true of Huntington’s disease?A. it is a result of excessive GGG repeatsB. it is a result of excessive CAG repeatsC. it is inherited in a codominant patternD. it is inherited in a recessive pattern
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9. A Punnett square is a grid used in genetics to:A. show the genotypes and their probabilities of a particular gene in a matingB. show the probability of occurrence of the actual phenotypes for a particular geneC. calculate the frequency of a genetic abnormality in a populationD. calculate the frequency of a particular phenotype in a population
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10. A child is diagnosed with Tay-Sachs disease. Both the father and mother are carriers (heterozygous for the disorder). Using the Punnett square, it can be estimated that the probability of them having a phenotypically normal child is:A. 1/4B. 2/4C. 3/4D. 4/4
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11. A couple has a child who is diagnosed with Tay-Sachs disease. Both the father and mother are carriers (heterozygous for the disorder). Using the Punnett square, it can be estimated that the probability of them having a child with Tay-Sachs disease is:A. 1/4B. 2/4C. 3/4D. 4/4
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12. Deviations from Mendelian genetics include:A. polygenic inheritanceB. multiple-allele seriesC. pleiotropyD. all of these
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13. Which of the following genetic abnormalities shows the symptoms of excessive mucus production, digestive and respiratory failure, and reduced life expectancy?A. achondroplastic dwarfismB. beta-thalassemiaC. cystic fibrosisD. Tay-Sachs disease
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14. In the context of deviations from Mendelian genetics, polygenic inheritance refers to:A. a specific trait being influenced by more than one geneB. both alleles being expressed in a heterozygous genotypeC. three or more alleles existing for a specific geneD. a gene altering the expression of another gene
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15. In the context of deviations from Mendelian genetics, codominance refers to:A. the influence of nongenetic factors on a phenotypeB. both alleles being expressed in a heterozygous genotypeC. three or more alleles existing for a specific geneD. a gene altering the expression of another gene
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