The human male and female bird are heterogametic,while the human female and male bird are homogametic .Why they are called so?

Explanation

To understand why human males and female birds are considered heterogametic while human females and male birds are considered homogametic, we can break down the concepts of gametes and sex determination in both species.

### Step-by-Step Solution:

1. **Definition of Heterogametic and Homogametic:**
- Heterogametic individuals produce two types of gametes, meaning they have different sex chromosomes.
- Homogametic individuals produce only one type of gamete, meaning they have the same sex chromosomes.

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