Embryonic development begins withMultiple Choicefertilization.the first cell division.the development of the blastocyst.implantation.gastrulation.
Question
Embryonic development begins with
- Multiple Choice
- fertilization.
- the first cell division.
- the development of the blastocyst.
- implantation.
- gastrulation.
Solution
Identifying the Key Concept
Embryonic development is a biological process that begins after fertilization, leading to the formation of a complete organism.
Analyzing the Options
- Fertilization - The union of sperm and egg, resulting in a zygote.
- The first cell division - This occurs shortly after fertilization, marking the beginning of cellular division.
- The development of the blastocyst - This occurs a few days after fertilization.
- Implantation - This is when the blastocyst attaches to the uterine wall.
- Gastrulation - A later stage in embryonic development where the basic body plan is established.
Conclusion
The process of embryonic development begins specifically with fertilization.
Final Answer
Fertilization.
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