Topic Details (Notes format)

Heredity and Genetic Variation

Subject: General Science

Book: NCERT Biology Class 12

Study of genetic inheritance and evolution.
- **Mendel’s Laws of Inheritance**:
- Dominance, segregation, independent assortment.
- **Genetic Disorders**:
- Hemophilia, sickle cell anemia, Down syndrome.
- **Mutation and Its Effects**:
- Gene mutations and chromosomal aberrations.

**Possible Exam Questions:**
1. Explain Mendel’s laws of inheritance.
2. What are genetic disorders? Give examples.
3. How does mutation lead to genetic variation?
4. Differentiate between dominant and recessive traits.
5. What is the significance of genetic recombination?

Practice Questions

Which is the smallest bone in the human body?

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Which scientist is known for the laws of motion?

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Which process describes the splitting of a nucleus into smaller nuclei?

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Which process converts glucose into energy in the human body?

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What is the most common state of matter in the universe?

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Which of the following is a fundamental force in nature?

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Which type of bond is present in sodium chloride?

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Which gas is released during photosynthesis?

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Which planet has the strongest gravitational force?

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Which part of the cell contains the genetic material?

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