The first one is the answer i think dont quote me <span />
If you put a rock in a slingshot and draw back the rubber band the rock will fly out at a predictable speed depending on the distance that the rubber band is draw back. this is an example of the following
law
Essentially traits of both genes will be shown. Take heterochromia for example, where a person has a green eye and a blue eye, both have some part in developing a trait.
Survival is dependent upon procreation