The first person that answered is correct just to let you know!
Bacteriophage, also called phage or bacterial viruses, any of a group of viruses that infect bacteria.
Photosynthesis is a natural process by which trees and plants use energy from the sun and carbon dioxide from the air to make the food they need to live and grow. At the same time, the leaves or needles absorb carbon dioxide from the air. These raw materials flow to plant cells containing chlorophyll.
Answer:
AA (I^A I^A) or AB (I^A I^B) or AO (I^A I^O) or BO (I^B I^O)
It is heterozygous for that trait.