Which of the following mutations will LEAST likely lead to a non-functional protein product of a 7-exon gene in a eukaryotic cell? A point mutation that prevents the recognition of the splice junction between exon 1 and 2 A two base pair deletion exon 6 A nonsense mutation in exon 3 A three base pair deletion in exon 2 A one base pair deletion in exon 4
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Exons are the coding regions of a gene that contain the information to make a functional protein. Introns, on the other hand, are non-coding regions that are removed during RNA splicing. Option 1: A point mutation that prevents the recognition of the splice Show more…
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QUESTION 3 Which of the following types of mutations is MOST likely to alter the encoded protein? A single nucleotide deletion A point mutation in the 1st base of a codon A point mutation in the 3rd base of a codon A point mutation in the 2nd base of a codon QUESTION 4 What is an advantage of a degenerate genetic code? Mutations are more likely to alter proteins, increasing the rate of evolution. Mutations are less likely to alter protein sequence, decreasing the chances that a mutation will have deleterious consequences to the organism. It increases the number of different proteins that can be coded by each gene. It decreases the total number of tRNAs that have to be made.
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