With respect to understanding diseases, discuss the importance of transgenic animal models.

Explanation

### Step-by-Step Solution:

1. **Definition of Transgenic Animal Models**:
Transgenic animal models are genetically modified organisms that have had foreign genes deliberately inserted into their genome. This modification allows researchers to study the effects of these genes on the organism's physiology and development.

2. **Purpose of Transgenic Animal Models in Disease Understanding**:
The primary purpose of creating transgenic animal models is to better understand the mechanisms of diseases. By introducing specific genes associated with diseases into these models, researchers can observe how these genes influence disease progression and pathology.

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