Answer:
I think the first thing you notice about a person is their body language
Explanation:
The correct answer is 2.
A mutation can only be passed on to offspring if it occurs in the sex cell of the parent, which is what then forms the offspring. This renders all the other answers incorrect, because they do not happen in the gametes of ovaries or testes (the sex organs of females and males, respectively).
No, they are not connected.
Some diseases are caused by mutations that are inherited from the parents and are present in an individual at birth, like sickle cell disease.