Practice Codominance (3.4.1) - Genetics - IB 12 Biology
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Codominance

Practice - Codominance

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Practice Questions

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Question 1 Easy

What is codominance?

💡 Hint: Think about blood groups and flower colors.

Question 2 Easy

Give an example of codominance.

💡 Hint: Which blood types appear together?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is codominance?

Only one allele is expressed
Both alleles are fully expressed
There is a blend of traits

💡 Hint: Consider examples where both traits appear.

Question 2

In the ABO blood group system, which blood type represents codominance?

Type A
Type B
Type AB

💡 Hint: Which type shows both A and B antigens?

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a garden has red and white snapdragons and they are crossed, what implications does codominance versus incomplete dominance have on the potential flower colors?

💡 Hint: Consider what happens when colors blend versus when they appear individually.

Challenge 2 Hard

Analyze how blood type inheritance can reflect population health trends. How does codominance contribute to genetic diversity?

💡 Hint: Think about the advantages of having diverse genetic traits.

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Reference links

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