Practice Mendel’s Laws of Inheritance - 4.1 | 4. Principles of Inheritance and Variation | CBSE Grade-12 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a dominant trait?

💡 Hint: Think about which trait shows up even when another is present.

Question 2

Easy

Define a monohybrid cross.

💡 Hint: Consider 'mono' meaning one.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the expected phenotype ratio from a monohybrid cross?

  • 1:1
  • 3:1
  • 9:3:3:1

💡 Hint: Think about Mendel's pea plant experiments.

Question 2

True or False: In a dihybrid cross, traits are inherited independently.

  • True
  • False

💡 Hint: Recall the examples Mendel used.

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Challenge Problems

Push your limits with challenges.

Question 1

If a plant's genotype is TtYy, explain all possible gametes it can produce.

💡 Hint: Consider how each allele segregates independently.

Question 2

If a cross between two heterozygous plants for height (Tt) yields 100 offspring, how many would you expect to be tall?

💡 Hint: Remember the ratios from Mendel’s studies.

Challenge and get performance evaluation