Answer:
Genes contain the information required to
express a particular trait can be explained by the following experiment.
G Beadle and E Tatum set an experiment
to prove that one gene possess a particular trait and is responsible for the
production of one enzyme or protein. They performed their experiment on
Neurospora crassa which were nutritionally mutant.
It was proved that a single
protein contains several polypeptide and each polypeptide is controlled by separate
gene. Thus, each gene expresses a particular trait. This theory was called
one-gane-one enzyme or one gene-one polypeptide hypothesis.
But after the discovery of
cistron (the functional unit of gene), the theory was named asone-cistron-one
polypeptide hypothesis.
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