Molecular Basis Of Inheritance Ques 96

96. In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids?

60

20

64

61

Show Answer

Answer : d

Hints & Solution

(d) Out of a total of 64 codons, 3 codons do not code for any amino acid. Hence only 61 codons are used in the formation of the 20 standard amino acids (polypeptides).

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