Assertion : GM crops can affect human health by causing allergic reactions
Reason : Transgenes in commercial crops endanger native species. For example, Bt toxin gene expressed in pollen might endanger pollinators like Honey bees.

Options

A. if both are true with reason being correct explanation
B. If both assertion and reason are true but reason is not the correct explanation of assertion
C. assertion true but reason is wrong
D. both are wrong

Answer

To analyze the given assertion and reason regarding genetically modified (GM) crops, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Assertion**:
- The assertion states that GM crops can affect human health by causing allergic reactions.
- GM crops are genetically modified organisms that have been altered to express certain traits, such as resistance to pests or herbicides.

2. **Evaluating the Assertion**:
- It is true that GM crops can lead to the production of new proteins that may not have been present in traditional crops.
- Some individuals may have allergic reactions to these new proteins, which can pose health risks.

3. **Understanding the Reason**:
- The reason provided states that transgenes in commercial crops endanger native species, specifically mentioning that the Bt toxin gene expressed in pollen might endanger pollinators like honey bees.

4. **Evaluating the Reason**:
- This statement is also true. The introduction of transgenes can impact non-target organisms, including beneficial insects like honey bees, which may be harmed by the toxins produced by GM crops.

5. **Analyzing the Relationship**:
- While both the assertion and the reason are true, the reason does not directly explain the assertion. The assertion focuses on human health impacts, while the reason discusses ecological impacts on native species.

6. **Conclusion**:
- Therefore, the correct conclusion is that both the assertion and the reason are true, but the reason is not a correct explanation for the assertion.

### Final Answer:
Both the assertion and the reason are true, but the reason is not a correct explanation for the assertion.