The rock that is being studied is
1. Some differences are that they are all different kinds of dogs
2. Small dogs and big dogs
That is all I can answer
Explanation:
Bella is right
Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.
C.
It is the only thing that is making a new thing, and not breaking or taking apart something that is already there.