Benzene, a known carcinogen, mutates a sequence of dna in a gene. the previous sequence contained tac ggc acg ttt att, and the mutation caused the seventh nucleotide (with an adenine base) to be replaced by a nucleotide with a cytosine base. how will the final mutated polypeptide be different from the original polypeptide?

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in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: