Identify the sex of organism as male of female in which the sex chromosome are found as (i) ZW in vird (ii) XY in Drosophila (iii) ZZ in birds, (iv) XO in grasshopper.

Explanation

To identify the sex of organisms based on their sex chromosomes, we can analyze each case provided in the question:

### Step-by-Step Solution:

1. **Identify the sex chromosomes in birds (ZW)**:
- In birds, the sex determination system is ZW.
- The ZW system indicates that females are heterogametic (ZW), while males are homogametic (ZZ).
- **Conclusion**: Therefore, an organism with ZW chromosomes is **female**.
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