At the moment of conception, when a male's sperm fertilizes the female's egg' the single cell that is formed is called the:
Correct answer: D. Zygote
- A. Blastula
- B. Embryo
- C. Fetus
- D. Zygote
Explanation
The single cell formed when a sperm fertilizes an egg is a zygote. It later divides and develops through embryonic and fetal stages.
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