Genetic code was diciphered by chemically synthesizing the trinucleotides by-

Options

A. Watson & Crick
B. Beadle & Tatum
C. Biggs & king
D. M.W. Nirenberg

Answer

**Step-by-Step Solution:**

1. **Understanding the Genetic Code**: The genetic code is a set of rules that defines how the sequence of nucleotides in mRNA is translated into the sequence of amino acids in proteins. It is composed of codons, which are sequences of three nucleotides.

2. **Role of Codons**: Each codon corresponds to a specific amino acid or a stop signal during protein synthesis. For example, the codon AUG is the start codon that codes for methionine, while UAA, UGA, and UAG are stop codons that signal the termination of protein synthesis.

3. **Deciphering the Genetic Code**: The genetic code was deciphered by chemically synthesizing trinucleotides, which are sequences of three nucleotides. This process involved creating specific sequences of nucleotides and observing which amino acids they corresponded to.

4. **Key Contributors**: The primary scientist credited with deciphering the genetic code through this method is M. W. Nirenberg. His work involved synthesizing specific trinucleotides and determining their corresponding amino acids, leading to the understanding of the genetic code.

5. **Conclusion**: The genetic code was deciphered by M. W. Nirenberg through the chemical synthesis of trinucleotides, which allowed for the determination of the relationship between codons and amino acids.

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