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NEETZoologyMolecular Basis of Inheritance

Match List-I with List-II. List-I List-II (A) Degenerate (I) One codon codes for only one amino acid (B) Unambiguous (II) AUG codes for Methionine and acts as initiator (C) Universal (III) Some amino acids are coded by more than one codon (D) Dual Function (IV) UUU codes for Phenylalanine in bacteria as well as humans Choose the correct answer from the options given below:

Options

  1. A(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
  2. B(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
  3. C(A)-(III), (B)-(I), (C)-(II), (D)-(IV)
  4. D(A)-(I), (B)-(III), (C)-(IV), (D)-(II)

Correct answer

B. (A)-(III), (B)-(I), (C)-(IV), (D)-(II)

Step-by-step solution

According to the salient features of the genetic code: - Degenerate: Some amino acids are coded by more than one codon. - Unambiguous and specific: One codon codes for only one amino acid. - Universal: A specific codon codes for the same amino acid from bacteria to humans (e.g., UUU codes for Phenylalanine). - Dual Function: AUG has dual functions; it codes for Methionine (met) and also acts as an initiator codon. Therefore, the correct matching is (A)-(III), (B)-(I), (C)-(IV), (D)-(II). Answer: (A)-(III), (B)-(I),

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