Answer:
A pNP concentration range of 0 to 100µM (or 0 to 0.1 mM) is used by making appropriate dilutions from the working stock (preferably in 1ml total volume).
The parents had two recessive traits for a bent thumb.
The correct answer is the third one
It depends most packages take 2-3 weeks so I’m guessing about 4 or 5?