When Scientists Were Attempting to Determine the Structure of the Genetic

Multiple Choice

When scientists were attempting to determine the structure of the genetic code,Crick and coworkers found that when three base additions or three base deletions occurred in a single gene,the wild- type phenotype was sometimes restored.These data supported the hypothesis that_________ .

A) the code is triplet
B) the code contains internal punctuation
C) there are three amino acids per base
D) the code is overlapping
E) AUG is the initiating triplet