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Molecular Basis of Inheritance question

2013 · Q63
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Molecular Basis of Inheritance question

2013 · Q63

NEETBiologyMolecular Basis of InheritanceMCQ+4 / −1
In an inducible operon, the genes are :
  1. A
    usually expressed unless a signal turns them "off"
  2. B
    always expressed
  3. C
    never expressed
  4. D
    usually not expressed unless a signal turns them "on"
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