Depending on what you've been learning in bio so far, the glucose is used in a process called glycolysis, which basically turns the glucose into ATP (Energy) which the cell can use.
Pigments absorb light used in photosynthesis.Set of wavelengths that a pigment doesn't absorb are reflected.
Their children would have AA,BB, or AB blood types. it is a 25% chance of AA, a 25% chance of BB, and a 50% chance of AB so most likely their child's blood type would be AB.