Achart tracking the passing down of a trait through generations is called what?

As a small change in a person's dna can cause a genetic disorder

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.