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Division of human egg is :...

Division of human egg is :

A

Equal holoblastic

B

Unequl boloblastic

C

Superficial meroblastic

D

Discoidal meroblastic.

Text Solution

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The correct Answer is:
To solve the question regarding the division of the human egg, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Egg Division**: The division of an egg (oocyte) during fertilization is crucial in determining how the embryo develops. There are different types of egg divisions based on the distribution of yolk. 2. **Types of Cleavage**: - **Holoblastic Cleavage**: This type of cleavage occurs when the entire egg divides into smaller cells (blastomeres). It is typically seen in eggs with a small amount of yolk. - **Meroblastic Cleavage**: This occurs when only a part of the egg divides due to a large amount of yolk present, leading to incomplete division. 3. **Characteristics of Human Egg**: - The human egg is characterized by having a small amount of yolk, which is referred to as microlecithin. - Due to the minimal yolk content, the cleavage in human eggs is equal, meaning that the resulting blastomeres are of similar size. 4. **Conclusion**: Based on the characteristics of the human egg and the type of cleavage it undergoes, we can conclude that the division of the human egg is classified as **equal and holoblastic**. ### Final Answer: The division of the human egg is **equal and holoblastic**. ---
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