Topic Details (Notes format)

Heredity and Evolution

Subject: General Science

Book: NCERT Science Class 9

Heredity is the passing of traits from parents to offspring.
- **Mendel’s Laws of Inheritance**:
- Law of Dominance.
- Law of Segregation.
- Law of Independent Assortment.
- **Genetic Variations**:
- Arise due to mutations and recombination.
- **Evolution**:
- Darwin’s Theory of Natural Selection.
- Fossils as evidence for evolution.

**Possible Exam Questions:**
1. Explain Mendel’s laws of inheritance with an example.
2. How do mutations contribute to genetic variation?
3. What is Darwin’s theory of natural selection?
4. How do fossils provide evidence for evolution?
5. Discuss the importance of genetic diversity in evolution.

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