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How many natural occurring amino acids does the genetic code allow for?

In: Biology, Genetics [Edit categories]

Answer:

There are 64 possible triplets. At least one of the triplets needs to be a stop codon, so theoretically 63 different amino acids can be coded for. In practice, there's some redundancy, and in humans all codons are either stop codons or translate to one of twenty amino acids.

First answer by Ptorquemada. Last edit by Ptorquemada. Contributor trust: 551 [recommend contributor ]. Question popularity: 1 [recommend question].

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Relevant answers:

How many amino acids are in the genetic code?
64
How many Genetic code exists for 20 amino acids?
There are 64 DNA codons for the 20 amino acids. If you click on the related link you will see a table that lists the amino acids and their DNA codons.
How many amino acids do the base code for?
There are 21 amino acids found in eukaryotes. Three bases represent a codon, and each codon codes for one amino acid.
How many bases code for an amino acid?
Three bases code for an amino acid. The 3-base code is called a codon.
What is the genetic code for one amino acid?
The genetic code for one amino acid is called a codon, and consists of a three nucleotide sequence. Codons don't always code for an amino acid, there are also start codons and stop codons that help...