Read the information below and then answer the questions that follow. In an experiment similar to those by Beadle and Tatum, Neurospora spores were mutated and grown in minimal medium test tubes. Mutants unable to grow without the amino acid "L"were isolated. Compounds A, B, and C are precursors to L. The following data are generated by providing these compounds to the mutants.
Data: All strains grow if given compound L.
Strains that grow given compound B also grow if given A or C.
Strains that grow given compound C do not grow if given only B or A.
Strains that grow given compound A will also grow if given C, but not if given only B.
-George Beadle and Edward Tatum were awarded the Nobel prize for their work on:
A) crossing over in the large chromosomes of Drosophila.
B) how X rays damage DNA to cause mutations.
C) genetics of pea plants.
D) the structure of DNA.
E) the one-gene, one-enzyme hypothesis.

Question

Quizplus · Accepted Answer

The correct answer is based on George Beadle and Edward Tatum's famous experiment which demonstrated that each gene encodes the structure of one enzyme, leading to the formulation of the one-gene, one-enzyme hypothesis. This work was foundational in establishing the relationship between genes and enzymatic reactions, particularly in biochemical pathways.

Read the Information Below and Then Answer the Questions That