An example of direct characterization is A) Now, Fatima was trudging toward the yearbook room, her head lowered and shaggy bangs falling across her dark brown eyes.
This is the only sentence where she is directly described.
Sorry, can you give a little more context. I believe you forgot to add an attachment file or some sort.
The human eye color is an incompletely dominant trait that follows Mendelian inheritance patters a polygenic trait that follows Mendelian inheritance patters.