Practice Inheritance - 3.2 | Theme D: Continuity and Change | IB 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 genotype?

πŸ’‘ Hint: Think about the specific alleles an organism has.

Question 2

Easy

What does a Punnett square predict?

πŸ’‘ Hint: Consider how you can visualize allele combinations.

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 does the Law of Segregation state?

  • Alleles are blended
  • Alleles separate during gamete formation
  • None of the above

πŸ’‘ Hint: Think about how genetic mixes happen in offspring.

Question 2

True or False: In incomplete dominance, the phenotype is a blend of the two alleles.

  • True
  • False

πŸ’‘ Hint: Imagine a mix of flower colors.

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Challenge Problems

Push your limits with challenges.

Question 1

You're studying a population of pea plants where tallness (T) is dominant over shortness (t). If two heterozygous plants are crossed, what are the possible genotypes and phenotypes of the offspring?

πŸ’‘ Hint: Set up a Punnett square to visualize your results.

Question 2

In a family, the trait for brown eyes (B) is dominant over blue eyes (b). If one parent has brown eyes and is heterozygous and the other has blue eyes, determine the potential phenotypic ratio of their children.

πŸ’‘ Hint: Sketch a Punnett square for clarity.

Challenge and get performance evaluation