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A space probe brings back a new life form.It is carbon-based and its genetic material is similar to Earth DNA except that it uses 6 different nucleotide bases instead of 4.Its proteins are also similar to those on Earth,but there are 28 amino acids instead of 20.You hypothesize about the genetic code for this organism.How many "letters" would you propose in each codon of the genetic code for this organism? The code should be unambiguous and may be degenerate.
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