What is meant by heredity ?

Explanation

**Step-by-Step Solution:**

1. **Definition of Heredity**: Heredity refers to the process through which traits or characteristics are passed from parents to their offspring. This transmission occurs from one generation to the next.

2. **Transmission of Traits**: The traits that are inherited can include physical characteristics such as eye color, hair color, and other features that are observable in family members.

3. **Generational Transfer**: Heredity involves the transfer of traits not just from parents to children, but also from grandparents to grandchildren, indicating that these traits can span multiple generations.

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