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Question

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

A
Neurospora crassa
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B
Salmonella typhimurium
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C
Polygenic inheritance
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D
Codominance
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Solution

The correct option is D Neurospora crassa
Beadle and Tatum did classical experiments on Neurospora crassa to prove that in a multistep biochemical pathway, each step is controlled by different enzymes and each of these enzymes are encoded by specific gene. This is called as one gene one enzyme hypothesis. Option A is the correct answer.

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