What information about brainless would be gained

1. Reporter genes are often used to study how the transcription of a particular gene is controlled during fruit fly development. You are interested in a gene called brainless that you think is involved in neural cell development.
a. Draw or describe how the reporter gene construct would be constructed
b. Give an example of a reporter gene that is often used in research
c. What information about brainless would be gained by the use of the reporter