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The concept which united the fields of genetics and biochemistry was proposed by american geneticist george wells beadle and american biochemist edward l. The one gene one enzyme hypothesis proposed by george wells beadle in the us in 1941 is the theory that each gene directly produces a single en…

Beadle and tatum repeated this experiment for hundreds of mutagenized neurospora and obtained scores of nutritional mutants that were unable to grow on minimal media without the addition of particular amino acids. They did so by exposing mold spores to radiation from x rays to cause mutations in t…