(i) Why are grasshopper and Drosophila said to show male heterogamity ? Explain.
(ii) Explain female heterogamity with the help of an example.

Explanation

### Step-by-Step Text Solution

#### (i) Why are grasshopper and Drosophila said to show male heterogamity?

1. **Definition of Heterogamity**: Heterogamity refers to the condition where an organism produces two different types of gametes concerning sex chromosomes. This means that the organism has the ability to produce gametes that carry different sex chromosomes.

2. **Sex Determination in Drosophila**: In Drosophila (fruit flies), the sex determination system is based on the XY chromosome system. Males have one X and one Y chromosome (XY), while females have two X chromosomes (XX).

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