RT- PCR Reverse Transcription- Polymerase Chain Reaction)can Be Used to Compare

Multiple Choice

RT- PCR reverse transcription- polymerase chain reaction) can be used to compare gene expression levels during an organism's response to the environment.A scientist monitoring a tetracycline resistance gene will see what response in the expression when the organism is challenged?

A) increased gene expression
B) no change in gene expression
C) decreased gene expression