Name the type of mutation from the following choices: silent, missense, nonsense, frameshift. The mutation is underlined. A codon tab can be reached by clicking this link. CGA to UGA O silent O frameshift nonsense O missense
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- In the gene-coding sequence shown here, which of the following events will produce a frameshift after the last mutational site? a. insertion of an A after the first codon b. deletion of the second codon (AAA) c. insertion of TA after the second codon and deletion of CG in the fourth codon d. deletion of AC in the third codonIf the coding region of a gene (the exons) contains 2,100 base pairs of DNA, would a missense mutation cause a protein to be shorter, longer, or the same length as the normal 700 amino acid proteins? What would be the effect of a nonsense mutation? A sense mutation?Define and compare the following types of nucleotide substitutions. Which is likely to cause the most dramatic mutant effect? a. missense mutation b. nonsense mutation c. sense mutation
- Given the following tRNA anticodon sequence, derive the mRNA and the DNA template strand. Also, write out the amino acid sequence of the protein encoded by this message. tRNA: UAC UCU CGA GGC mRNA: protein: How many hydrogen bonds would be present in the DNA segment?Which of the following best describes this type of mutation? Original – CCU-GAU-GAG-UCA Mutated – CCU-GAU-GAG-UGA* Please choose one correct answer only A. Missense B. Nonsense C. Silent D. FrameshiftClassify the type of mutation that have taken place: silent, missense and nonsense as a result of a single base substitution from UCG codon which codes for cysteine:a.) AGC (ser): ________b.) UGU (cys): ________c.) GGC (gly): _______d.) UGA (stop): _______e.) UUC (phen): _______
- Consider this sequence below: GAG TAC ACG AGT GGA Which of the following options is an example of a non-synonymous point mutation? (remember to translate to mRNA!) A. GAG TAC AAT CGA GTG GA B. GAG TAC ACG GGT GGA C. GAG TAC A–G AGT GGA D. GAG TAC ACG AGA GGADefine the following terms:a. codonb. anticodonc. genetic coded. open reading framee. codon usage biasWhat do you have a nucleotide triplet codes for codon for UGU ? Identify a base pair substitution that would produce a silent mutation at this codon. Identify a base substitution that would result in a missense mutation at this codon. Identify a base pairing substitution that could produce a non-sense mutation add this codon .
- A small section of a gene for a protein has the following nucleotide sequence: CTA TCC CCT ACG TCA Which of the following mutations would cause a silent mutation in the sequence shown above? a. Replacement of first thymine base with adenine base b. Replacement of second thymine base with guanine base c. Replacement of first cytosine base with guanine base d. Replacement of second adenine base with thymine baseA small section of a gene for a protein has the following nucleotide sequence: GCT CTA GCT ATC TGA Which of the following mutations would cuase a silent mutation in the sequence shown above? a. Replacement of second adenine base with thymine base b. Replacement of first thymine base with adenine base c. Replacement of second guanine base with cytosine base d. Replacement of first cytosine base with guanine baseA small section of a gene for a protein has the following nucleotide sequence: TAT AGG GAC CTA TGT Which of the following mutations would cause a missense mutation in the sequence shown above? a. Replacement of first cytosine base with guanine base b. Replacement of final thymine base with guanine base c. Replacement of second guanine base with cytosine base d. Replacement of first thymine base with adenine base