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In which stage blastocoel is formed...

In which stage blastocoel is formed

A

Morula

B

Blastula

C

Gastrula

D

None of these

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Terms**: The question asks about the formation of the "blastocoel." To answer this, we need to understand what a blastocoel is and in which developmental stage it appears. 2. **Defining Blastocoel**: The blastocoel is a fluid-filled cavity that forms within the early embryo during development. It is crucial for the proper formation of the embryo. 3. **Identifying the Stages**: The question provides four options: Morula, Blastula, Gastrula, and None of these. We need to analyze each stage to determine where the blastocoel is formed. 4. **Morula Stage**: The morula is an early stage of embryonic development consisting of a solid ball of cells (blastomeres). At this stage, there is no cavity present, so the blastocoel is not formed here. 5. **Blastula Stage**: The blastula is the stage where the embryo becomes a hollow sphere of cells. This hollow sphere surrounds the blastocoel, which is the fluid-filled cavity. Therefore, the blastocoel is formed during this stage. 6. **Gastrula Stage**: The gastrula stage follows the blastula and involves the formation of germ layers. By this stage, the blastocoel may still be present, but it is not the stage where it is formed. 7. **Conclusion**: Based on the analysis, the correct answer to the question is "Blastula," as this is the stage where the blastocoel is formed. **Final Answer**: The blastocoel is formed during the **Blastula** stage. ---
**Step-by-Step Solution:** 1. **Understanding the Terms**: The question asks about the formation of the "blastocoel." To answer this, we need to understand what a blastocoel is and in which developmental stage it appears. 2. **Defining Blastocoel**: The blastocoel is a fluid-filled cavity that forms within the early embryo during development. It is crucial for the proper formation of the embryo. 3. **Identifying the Stages**: The question provides four options: Morula, Blastula, Gastrula, and None of these. We need to analyze each stage to determine where the blastocoel is formed. ...
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