Polyspermy refers to

Options

A. formation of many sperms by a male
B. changes in sperm nucleus
C. formation of many sperms
D. penetration of many sperms into an ovum simultaneously

Answer

**Step-by-Step Solution:**

1. **Understanding the Term "Polyspermy":**
- Polyspermy is a biological term that refers to a specific condition during fertilization.

2. **Identifying the Context of Polyspermy:**
- In the context of human reproduction, polyspermy occurs when an egg (ovum) is fertilized by more than one sperm cell.

3. **Analyzing the Options Given:**
- The options provided are:
a) Formation of many sperms by a male
b) Changes in the sperm nucleus
c) Formation of many sperms
d) Penetration of many sperms into an ovum simultaneously

4. **Evaluating Each Option:**
- **Option a:** Formation of many sperms by a male - This is incorrect as it refers to sperm production, not fertilization.
- **Option b:** Changes in the sperm nucleus - This is also incorrect as it does not relate to the fertilization process.
- **Option c:** Formation of many sperms - This is incorrect since it does not describe the fertilization event.
- **Option d:** Penetration of many sperms into an ovum simultaneously - This is the correct definition of polyspermy.

5. **Conclusion:**
- The correct answer to the question "Polyspermy refers to" is **d) Penetration of many sperms into an ovum simultaneously.**

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