13
Question
The correct sequence of embryonic development is :
The correct sequence of embryonic development is :
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Solution
The correct option is (B):
Explanation of the correct option:
- Following fertilization, the mitotic division starts as the zygote moves towards the isthmus of the oviduct towards the uterus and this process is called cleavage.
- The cleavage converts the egg into a compact mass of blastomeres called a morula, which ultimately transforms into a blastula by continuous divisions.
- The blastula precedes the formation of the gastrula, in which the germ layers of the embryo form.
- Gastrulation is followed by organogenesis when individual organs develop within the newly formed germ layers.
- Each layer gives rise to specific tissues and organs in the developing embryo thus, the correct sequence is: Zygote --> Morula --> Blastula --> Gastrula --> Embryo
Final Answer: The correct sequence of embryonic development is: Zygote - Morula - Blastula - Gastrula - Embryo.
The correct option is (B):
Explanation of the correct option:
- Following fertilization, the mitotic division starts as the zygote moves towards the isthmus of the oviduct towards the uterus and this process is called cleavage.
- The cleavage converts the egg into a compact mass of blastomeres called a morula, which ultimately transforms into a blastula by continuous divisions.
- The blastula precedes the formation of the gastrula, in which the germ layers of the embryo form.
- Gastrulation is followed by organogenesis when individual organs develop within the newly formed germ layers.
- Each layer gives rise to specific tissues and organs in the developing embryo thus, the correct sequence is: Zygote --> Morula --> Blastula --> Gastrula --> Embryo
Final Answer: The correct sequence of embryonic development is: Zygote - Morula - Blastula - Gastrula - Embryo.
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