In Pisum sativum experimental error is minimum because

Options

A. They are self pollinated
B. The hybrids produced are fertile
C. Large number of off spring is obtainded
D. They are pure lines

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks why experimental error is minimized in Pisum sativum (the pea plant) during genetic studies.

2. **Identifying Key Characteristics of Pisum sativum**:
- **Self-Pollination**: Pisum sativum is primarily self-pollinating, which means it can fertilize itself without the need for external pollen. This leads to more consistent genetic outcomes.
- **Short Lifespan**: The plant has a short generation time, allowing researchers to observe multiple generations in a relatively short period (about three months).
- **Large Number of Offspring**: Each plant produces a large number of seeds, which provides a significant sample size for genetic studies.
- **Pure Lines**: Mendel used pure breeding lines, which consistently produce offspring with the same traits, making it easier to track inheritance patterns.

3. **Analyzing the Options**:
- **Self-Pollination**: This is a correct statement and contributes to minimizing experimental error because it ensures genetic consistency.
- **Hybrid Fertility**: While hybrids can be fertile, this does not directly relate to minimizing experimental error.
- **Large Number of Offspring**: Although a large number of seeds is beneficial, the phrasing in the option may not accurately reflect the reason for minimized error.
- **Pure Lines**: While pure lines are important, the self-pollination aspect is more directly related to minimizing experimental error.

4. **Conclusion**: The primary reason for the minimum experimental error in Pisum sativum is that it is self-pollinated, which leads to consistent genetic outcomes and allows for better control over breeding experiments.

**Final Answer**: The experimental error is minimum in Pisum sativum because they are self-pollinated.

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