Another term for enzymes?

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Which is the correct formula for photosynthesis