HEREDITY
MUTATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The correct mRNA sequence for a gene reads:AUG GGC AUU UGG GCG CCC GGU ____ If during transcription a U was accidentally inserted between the third G and the first C what would the correct order of codons be:
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AUG GGU CAU UUG GGC GCC CGG U ____
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AUG GGUC AUU UGG GCG CCC GGU
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AUG GGU AUU UGG GCG CCC GGU
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Explanation:
Detailed explanation-1: -mRNA codons are read from 5’ to 3’, and they specify the order of amino acids in a protein from N-terminus (methionine) to C-terminus. The mRNA sequence is: 5’-AUGAUCUCGUAA-5’
Detailed explanation-2: -The UGG codon codes for the amino acid tryptophan, the UUU codon codes for the amino acid phenylalanine, and the codon AAG codon codes for the amino acid lysine.
Detailed explanation-3: -This leads to a total of 10 codons in the mRNA sequence AUGGCAGUGCCA as AUG, UGG, GGC, GCA, CAG, AGU, GUG, UGC, GCC, CCA.
Detailed explanation-4: -The correct sequence for the tRNA anticodon would be 3′GUC5′ 3 ′ G U C 5 ′ .
There is 1 question to complete.