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mars1129 [50]
2 years ago
15

The AUC and AUA codons in mRNA both specify isoleucine. What feature of the genetic code explains this?

Biology
1 answer:
Serjik [45]2 years ago
3 0

Answer:

Degeneracy

Explanation:

  • There are 4 nucleotide  bases and they can form a lot of different codons -  about 64 different codons
  • There are only 20/21 amino acids, not enough for each of the codons

As a result, codons have to "double up" and share amino acids because there is only a limited number of these that they can code for  

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