Answer: Both blanks should have a "q".
Step-by-step explanation:
This question is basically asking for the reserves of a Punnett square. Work backwards knowing the genetic makeup of the offspring to determine what the mothers must be. Since when matched with the fathers "q" it produces offspring with "qq" the mother must be giving a "q" to the offspring. When matched with the fathers "Q" it produces "Qq", the mother must have to "q"s.