NEET 2016 · Class 12

Molecular Basis of Inheritance

The equivalent of a structural gene is

  1. (A)recon
  2. (B)muton
  3. (C)cistron
  4. (D)operon

The NCERT line that answers it

Verbatim line

However by defining a **cistron** as a segment of DNA coding for a polypeptide, the structural gene in a transcription unit could be said as **monocistronic** (mostly in eukaryotes) or **polycistronic** (mostly in bacteria or prokaryotes).

Chapter
Molecular Basis of Inheritance
Section
5.5.2 Transcription Unit and the Gene
Page
14
Words matched
36 of 36

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly defines cistron as 'a segment of DNA coding for a polypeptide' and directly states that 'the structural gene in a transcription unit could be said as monocistronic or polycistronic', establishing the equivalence between structural gene and cistron.

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