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Basic Principles of Inheritance — Study Plan

CBSE · Class 11 · Biotechnology

A step-by-step study plan for Basic Principles of Inheritance, CBSE Class 11 Biotechnology: what to learn first, what to practise and when to revise.

59 questions76 flashcards5 concepts

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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas and key ideas. Focus on: 1. Introduction to Heredity and Mendel's Work, 2. Monohybrid Cross, Ratios, and Mendel's Laws, 3. Incomplete Dominance, Codominance, and Dihybrid Cross.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 59 questions available for this chapter.

3
Day 4

Revise & Test

Revise key points without looking at your notes. Take a practice quiz and mark weak areas for another pass.

4
Day 7

Spaced Revision

Come back to Basic Principles of Inheritance after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • Heredity means transmission of traits from parents to offspring.
  • Genetics is the study of heredity and variation.
  • Genes are the units of inheritance and are located on chromosomes.
  • Monohybrid cross uses one pair of contrasting traits.
  • F2 phenotypic ratio in a monohybrid cross is 3:1.
  • F2 genotypic ratio in a monohybrid cross is 1:2:1.
  • Incomplete dominance gives an intermediate phenotype.
  • Mirabilis jalapa shows incomplete dominance with red, pink, and white flowers.
  • Codominance means both alleles are equally expressed.

Common Mistakes to Avoid

A dominant trait always appears in every generation, so the recessive trait disappears forever.

The phenotypic ratio and genotypic ratio in a monohybrid cross are the same.

Any dominant-looking plant must be pure homozygous dominant.

Memory Tips

Definition of heredity

Definition of genetics

Why pea plant was chosen by Mendel

Seven pairs of contrasting characters used by Mendel

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Frequently Asked Questions

What are the important topics in Basic Principles of Inheritance for CBSE Class 11 Biotechnology?
Key topics in Basic Principles of Inheritance include Introduction to Heredity and Mendel's Work, Monohybrid Cross, Ratios, and Mendel's Laws, Incomplete Dominance, Codominance, and Dihybrid Cross, Linkage, Crossing Over, and Recombination. Study these first, then practise questions on each for Class 11 exams.
How should I revise Basic Principles of Inheritance for Class 11 exams?
Learn the core ideas first, then work through the 59 practice questions on Basic Principles of Inheritance. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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