Biology
Grade-7
Easy
Question
The _________ eventually divides and develops into an embryo by mitotic division.
- Gamete
- Zygote
- Embryo
- Ovum
Hint:
Also called the fertilized ovum.
The correct answer is: Zygote
The correct option is b) Zygote.
First, the fertilized egg becomes a mass of cells. It then becomes a hollow ball of cells which is known as blastocyst. In the uterus, the blastocyst implants in the uterine wall and develops into an embryo that attaches to the placenta and is surrounded by a fluid-filled membrane. Mitosis of the fertilized egg forms an embryo. The process of embryonic development is called embryogenesis.
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