Self Serv access.arizon... 10. Which of the following causes breaks in one or both of the...

        

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Self Serv access.arizon... 10. Which of the following causes breaks in one or both of the sugar-phosphate backbones? exposure to oxidizing agents such as household bleach or hydrogen peroxide OX-rays OUV radiation tobacco smoke 11. Mutations will always decrease the activity of a gene. True False 12. Mutation rates (per nucleotide per replication) are: Olower in organisms with larger genomes. Ohigher in organisms with larger genomes. O highest in viruses. Osimilar across all organisms. O highest in bacteria. 13. A gain-of-function mutation is one in which a gene is expressed at the wrong time or in the wrong type of cells. Which of the following mutations could result in a gain of function of one or more genes? All of these choices are correct. Otranslocation duplication inversion 14. DNA polymerase is responsible for the process called mismatch repair. True False 15. If DNA repair mechanisms were perfect, which of the following would MOST likely result? Humans would stop aging, because aging is a collection of DNA mutations. All of these choices are correct. The rate of evolutionary change would dramatically increase. Humans would live forever. Evolution as we know it would stop because mutations are the only source of new genetic variation. Directions Save Self Serv access.arizon... 10. Which of the following causes breaks in one or both of the sugar-phosphate backbones? exposure to oxidizing agents such as household bleach or hydrogen peroxide OX-rays OUV radiation tobacco smoke 11. Mutations will always decrease the activity of a gene. True False 12. Mutation rates (per nucleotide per replication) are: Olower in organisms with larger genomes. Ohigher in organisms with larger genomes. O highest in viruses. Osimilar across all organisms. O highest in bacteria. 13. A gain-of-function mutation is one in which a gene is expressed at the wrong time or in the wrong type of cells. Which of the following mutations could result in a gain of function of one or more genes? All of these choices are correct. Otranslocation duplication inversion 14. DNA polymerase is responsible for the process called mismatch repair. True False 15. If DNA repair mechanisms were perfect, which of the following would MOST likely result? Humans would stop aging, because aging is a collection of DNA mutations. All of these choices are correct. The rate of evolutionary change would dramatically increase. Humans would live forever. Evolution as we know it would stop because mutations are the only source of new genetic variation. Directions Save

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