Answer: You had it correct
Explanation:
A derived trait is any trait that is carried down species through a cladogram. Thus, all of the previously listed traits are derived, because they were passed down to species furhter on the cladogram.
B) The data will help to generate a new consensus.
Please correct me if I'm wrong!! :)
The correct answer is be sure that your instrument is calibrated properly. If your instrument isn't calibrated, then your data will be inconsistent.