hnge of 5-GGACTAGATAC-3\' to 5\'GGACTAGACAC-3 ismutation. a) transversion b) tra
ID: 265952 • Letter: H
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hnge of 5-GGACTAGATAC-3' to 5'GGACTAGACAC-3 ismutation. a) transversion b) transition c) addition d) deletion e) all of the above 2) The change of 5' GGACTAGATAC.3 to5'-GCACTAGACAC3 isthes above a) transversion b) transition 3) Which of the following example is likely to be caused by a somatic n e) addition d) deletion e) all of above a) A field of tulip plants with either red. yellow, or white colors, respectively utation? b) The earholes of Dr. Gana and her siblings c) One child, in a family of ten, has sickle cell disease d) A 30-year old female sunbather develops skin cancer ation converts the 10" codon that specifies the amino acid valine to a stop codon in the gene X ) hissensec) nonsense ) frame shift e) none of the above 5) A mutation converts the 10h codon that specifies the amino acid valine to the same valine amino acid in gene X. a) silent b) missense c) nonsense d) frame shift e) none of the above 6) A in gene X mutation converts the 10 codon that specifies the amino acid valine to the lysine amino acid a) silent b) missense c)nonsense d) frame shift e) none of the above 7) A mutation involves deletion of the first nucleotide of the 10t codon that specifies the amino acid valine in gene X a) silent b) missense c) nonsense d) frame shift e) none of the above 8) The number of new mutations in a given gene per cell generation is called? c) recombination frequency a) mutation frequency c) co transduction frequency b) mutation rate c) co-transformation frequency This DNA change occurs when the amino group in cytosine is changed to keto group resulting uracil nuclcotide b) apurination e) base analog c) thymine dimers deamination d) alkylate bases involve a temporary change in the base 105 Mutations that occur spontaneously by structure, that is the keto may change to an enol fiunctional group prior to DNA replication. a tautomeric shifi b) deamination c)x-rays d) uv rays transposable elements I1) This occurs when purines are removed from the DNA a) deamination c) thymine dimers b) apurination e) base analog d) alkylate bases to detomuif a chemcal curn induct al nanet 12. What is the Ames test used for? 3. List three ways induced mutations can occur. (3 points) a mahun inaExplanation / Answer
1. T to C is a transition mutation
2. G to C is a transversion mutation
3. Skin cancer can be caused by somatic mutations due to exposure to UV rays in the sunlight
4. A nonsense mutation converts an amino acid specifying codon to nonsense codon.
5. A silent mutation does not change the amino acid
6. A missense mutation changes valine to lysine
7. Deletion of a nucleotide causes a frameshift mutation.
8. Mutation rate = Number of mutations per generation
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