Practice Mendelian Inheritance (2.1) - Genetics & Heredity - IB 8 Biology
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Mendelian Inheritance

Practice - Mendelian Inheritance

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are dominant and recessive alleles?

💡 Hint: Think about which traits appear more frequently.

Question 2 Easy

Define homozygous and heterozygous.

💡 Hint: Consider prefixes 'homo-' and 'hetero-'.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a dominant allele do in relation to a recessive allele?

Masks it
Enhances it
Neutralizes it

💡 Hint: Think about a competitive relationship.

Question 2

True or False: A homozygous individual has two different alleles for a trait.

True
False

💡 Hint: Recall the definitions.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a heterozygous tall plant (Tt) is crossed with a recessive short plant (tt), what genotypes are possible for the offspring? Show your work using a Punnett square.

💡 Hint: Remember to fill in the Punnett square to visualize the crosses.

Challenge 2 Hard

Design a cross between two heterozygous parents (Bb) and analyze the likelihood of getting a homozygous dominant offspring. What is the percentage?

💡 Hint: Use a Punnett square for a clearer view of combinations.

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Reference links

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