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 organelle is known as the "powerhouse of the cell"?

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What is the function of platelets in the human body?

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Which of the following is a fundamental force in nature?

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Which organ is responsible for detoxifying harmful substances in the human body?

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Which part of the cell contains the genetic material?

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Which disease is caused by the deficiency of vitamin C?

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What is the term for water changing from liquid to gas?

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Which component of blood carries oxygen?

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What is the most abundant gas in the Sun?

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Which vitamin is responsible for blood clotting?

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