Identical Twins Originate from the Fertilization of

question 326

Multiple Choice

Identical twins originate from the fertilization of

• A)a single egg cell by a single sperm cell.
• B)two egg cells by a single sperm cell.
• C)a single egg cell by two sperm cells.
• D)two egg cells by two sperm cells.

---

Definitions:

Antidiuretic Hormone

A hormone that helps the kidneys manage the amount of water in the body by influencing the absorption of water and the production of urine.

Potassium

A chemical element with the symbol K and atomic number 19, essential for the functioning of all living cells.

Angiotensin II

A peptide hormone that plays a critical role in blood pressure regulation by causing blood vessels to narrow.

Arterial Blood

Blood that is oxygen-rich, pumped from the heart to be distributed throughout the body.