Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions

The diagram below shows the use of transposons as mutagens.

-Based on the diagram, which of the following is true?

A) Gene A is essential because there was growth when gene A was mutagenized.
B) Gene A is not essential because there was growth when gene A was mutagenized.
C) Gene A is not essential because there was no growth when gene A was mutagenized
D) Gene A is essential because there was no growth when gene A was mutagenized.
E) Whether gene A is essential or not depends on gene B.