In reproduction, when male sperm cells fuse with female egg cells, a zygote is formed. In this zygote, half genes comes from male and half cells comes from female forming a diploid organism. Diploid means double number of chromosomes. When this zygote matures, it becomes a new organism.
Explanation : Characteristics can be inherent from parents to their childrens in the process of sexual reproduction. In meg, some characteristics comes from her father i. e. hair color while some characteristics comes from her mother i. e. appearance.
Answer: The right side of the brain controls the left side of the body and vice versa So if damage occurs on the right side of the brain that controls the movement of the arm, the left arm may be weak or paralyzed.