the genetic code is three-letter code. if the code were a four-letter code, how many codons would exist in the genetic code? the answer should be 256, please explain. will give a thumbs up.

3 days ago 2
Nature

The genetic code currently is a three-letter code, meaning each codon consists of 3 nucleotides, with 4 possible nucleotides (A, U, C, G). This results in 43=644^3=6443=64 possible codons. If the genetic code were a four-letter code, each codon would consist of 4 nucleotides. Since there are 4 possible nucleotides, the number of possible codons would be 44=2564^4=25644=256 codons. Thus, if the genetic code were a four-letter code, there would be 256 codons in total.

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