Practice Genetic Inheritance Patterns - 3.4 | Genetics | IB MYP Grade 12 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is codominance? Give an example.

💡 Hint: Think about how both alleles are shown in some blood types.

Question 2

Easy

Define incomplete dominance and provide a plant example.

💡 Hint: Consider color blending in flowers.

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Interactive Quizzes

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

Question 1

What type of inheritance is it when both alleles are expressed in a heterozygote?

  • A) Codominance
  • B) Incomplete Dominance
  • C) Sex-linkage

💡 Hint: It's a term related to blood types.

Question 2

Homologous chromosomes separating during Meiosis I describes which genetic process?

  • True
  • False

💡 Hint: Think of cell division processes.

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Challenge Problems

Push your limits with challenges.

Question 1

A pedigree chart shows two affected individuals for hemophilia, an X-linked trait. If they have a son and a daughter, what are the probabilities of each child being affected?

💡 Hint: Examine X chromosome contributions from both parents.

Question 2

Consider a population of snapdragons with red, white, and pink flowers. If a red flower (RR) is crossed with a pink flower (Rr), what will be the ratio of phenotypes among the offspring?

💡 Hint: Use Punnett squares to visualize allele combinations.

Challenge and get performance evaluation