DNA Sequencing, Mutation and Repair Frame shift mutation may occur as a result of deamination of cytosine to uracil conversion of guanine to xanthine formation of a thymine-dimer None of these deamination of cytosine to uracil conversion of guanine to xanthine formation of a thymine-dimer None of these ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of these mechanisms for thymine dimers repair lead to mutations? SOS repair Excision repair Never leads to mutation Photoreactivation SOS repair Excision repair Never leads to mutation Photoreactivation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutation affects only a single nucleotide? Site mutation Point mutation Aerial mutation Regional mutation Site mutation Point mutation Aerial mutation Regional mutation ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Which of the following mutations arise without exposure to external agents? Analogous mutations Spontaneous mutations None of these Induced mutations Analogous mutations Spontaneous mutations None of these Induced mutations ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair A nonsense mutation introduced into the DNA sequence of a gene may cause premature termination of the mRNA shorten the length of the protein encoded by the gene have no effect on the transcript or protein made cause a shift in reading frame cause premature termination of the mRNA shorten the length of the protein encoded by the gene have no effect on the transcript or protein made cause a shift in reading frame ANSWER DOWNLOAD EXAMIANS APP
DNA Sequencing, Mutation and Repair Changes in which of the following characterizes mutations? Phenotype Genotype Both (a) and (b) None of these Phenotype Genotype Both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
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