The principle of Segregation sugests that a gene pair seperates
DNA is made of a double helix of two complementary strands. When replicating, these strands seperate. Each strand of the original DNA then acts as a template for the production of it's counterpart, which is referred to as semiconservative replication.
It means to make something productive. "the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote."
The best demostration that applies to Newton's Third Law of motion would be D) When you walk your foot pushes down on the ground while the ground pushes back on your foot.
D, since it only affects the sex cell which are for forming offspring.