Respuesta :

Yo WaSsuPp!!  ^v0!!

                                   please help bio 3 question

I gotchu!! ^v^

The answer is:

                                    "aa"

If both letters are lowercase then that means the trait is recessive, and since cystic fibrosis is recessive this is your answer.

I apologize if i'm wrong // Your're welcome if i'm correct

((-Side Note-)): If you don't mind can you pls mark my answer branliest?

                  Thank you and i hope you have a great day! ^v^