What is the genetic relationship between individuals Level 1 - 2 and Level
III - 4

Grandmother - grandson.

Explanation:

The genetic relationship between individuals Level 1 - 2 and Level  III - 4 is grandmother - grandson because the gap between individuals is two generations. The circular shape represents male while on the other hand, the square shape represents female individual. So we know that in the first level, the second individual is square which means it is a female while on the other hand, in the third level, the fourth individual is circular that represents male so it is a relationship of grandmother - grandson.

cancer   is   essentially   uncontrolled   mitosis   of specialized cells

preservation because he preserves part of the land and preserves means save

explanation: