ZoologyNEET 2025Transcription, genetic code, translation

Molecular Basis of Inheritance

Who proposed that the genetic code for amino acids should be made up of three nucleotides?

A.George Gamow✓
B.Francis Crick
C.Jacques Monod
D.Franklin Stahl

Solution

George Gamow, a physicist, argued that a code for 20 amino acids using four bases must be a triplet code, since $4^{3} = 64$ combinations suffice while $4^{2} = 16$ do not.

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