AYO PLEASE HELP ME WITH THIS

Dominance the dominant allele doesn’t fully mask or hide the recessive. for example, a red carnation with a white carnation will produce a carnation. one gene one trait. well most of the time than one gene controls a trait. we are all different but genetically speaking we are % similar with regards to genetic makeup.

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms