Question: 16. What functional class of proteins is essential to the initiation of transcription? 17. Provid…

16. What functional class of proteins is essential to the
initiation of transcription?

17. Provide two examples of cis-acting regulatory elements.

18. a) What effect would you expect a nonsense mutation in the
transformer gene to have on genetically female (i.e., XX)
Drosophila?

      b) What effect would you expect
this same mutation to have on genetically male Drosophila?

     c) What effect might a gain-of-function
mutation in the sex lethal gene have on genetically male
Drosophila?