4. Which statement best describes structure X in the diagram above? (1) Structure X is a zygote and contains half the number of chromosomes as the body cells of the parents.
(2) Structure X is formed by the process of meiosis and is known as a gamete.
(3) Structure X is a zygote and is formed as a result of the process of fertilization,
(4) Structure X is formed by mitosis and is known as an egg cell.

5. What is occurring to Structure X in the diagram above?
(1) The gamete is dividing to produce even more gametes.
(2) The zygote is undergoing mitosis to form a ball of identical cells.
(3) The embryo is dividing to form fraternal twins.
(4) The embryo is differentiating.

(THIS IS TWO QUESTIONS)