HW_Ch 14 - HW: Ch 14 MCQ: 1) A mutagen that inserts between...

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HW: Ch 14 MCQ: 1) A mutagen that inserts between the stacked bases of a DNA double helix, distorting the DNA to induce single-pair insertions or deletions is called a(n) __________ agent. A. insertional B. interspersing C. intercalating D. distortional 2) Spontaneous mutations are caused by A. errors in DNA replication. B. insertion of transposons. C. radiation. D. errors in DNA replication and insertion of transposons 3) As the result of exposure to a mutagen, cytosine is substituted for thymine in one strand of DNA. Upon subsequent DNA replication, one of the daughter cells will have a GC pair in this position instead of an AT pair. This is called a(n) __________ mutation. A. transversion B. transition C. frameshift D. insertion 4) A mutation that changes the amino acid sequence of the resulting protein by substitution is called a __________ mutation. A. missense B. nonsense C. silent D. none of the choices
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5) Lethal mutations can be maintained in diploid organisms if they are A. dominant.
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HW_Ch 14 - HW: Ch 14 MCQ: 1) A mutagen that inserts between...

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