Which of the Following Statements About the Rainey and Travisano

Multiple Choice

Which of the following statements about the Rainey and Travisano experiments on Pseudomonas bacteria is true?

A) The static cultures had a constantly uniform ­environment.
B) No phenotypic evolution occurred in the static cultures.
C) Molecular evidence showed that the same phenotype could arise from many genotypes.
D) Both a and b
E) None of the above