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In the genetic code dictionary, how many...

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

A

61

B

60

C

20

D

64

Text Solution

Verified by Experts

The correct Answer is:
A
Out of 64 codons three (UAA, UAG , UGA) are chain terminating codons the translating mechanism is not able to read these codons and 61 codons are used to code all the 20 essential amino acids.
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