Cellular respiration mainly occurs in blank ?

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.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Match with o for organic and i for inorganic for each compound