Q22 / 200 · NEET 2007 · Botany

One gene- one enzyme relationship was established for the first time in:

  • A
    Salmonella typhimurium
  • B
    Escherichia coli
  • C
    Diplococcus pneumoniae
  • Correct answer
    D
    Neurospora crassa.

Solution

Beadle and Tatum gave one gene one hypothesis which states that each gene in an organism controls the production of a specific enzyme. It is these enzymes that catalyse the reactions that lead to the phenotype of the organism.

Hence, the correct answer is option: 'D'.

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