Explain the chromosomal theory of inheritance. OR Explain the chromosomal theory.

Explanation

### Step-by-Step Solution:

1. **Definition of Chromosomal Theory of Inheritance**:
The chromosomal theory of inheritance states that chromosomes are the carriers of genetic material. This means that the traits and characteristics of an organism are passed down through the chromosomes.

2. **Role of Gametes**:
According to this theory, all hereditary characters are transmitted by gametes (sperm and egg). This indicates that the genetic information is carried in the chromosomes present within these gametes.

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