What is genetics ?

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Genetics**: Genetics is a branch of biology that focuses on the study of genes, heredity, and variation in living organisms.

2. **Study of Genes**: It involves understanding how genes are structured, how they function, and how they are passed from one generation to the next.

3. **Inheritance**: One of the key concepts in genetics is inheritance, which is the process by which traits or characteristics are transmitted from parents to their offspring. This includes physical traits like height and skin color.

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