Practice Chromosome Numbers and Karyotype Variation - 7.4 | Theme A: Unity and Diversity | IB MYP Grade 11 Biology
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7.4 - Chromosome Numbers and Karyotype Variation

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the haploid chromosome number?

💡 Hint: Think about how many chromosomes a gamete holds.

Question 2

Easy

Explain what aneuploidy is.

💡 Hint: Consider conditions like Down syndrome.

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 diploid number in humans?

  • 23
  • 46
  • 21

💡 Hint: Remember that diploid means two sets of chromosomes.

Question 2

True or False: Aneuploidy refers to a change in the number of complete chromosome sets.

  • True
  • False

💡 Hint: Think about examples like Down syndrome.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A research group finds a plant species has a diploid number of 42. Through a study, they discover polyploid individuals with 84 chromosomes. How might this affect the species' ability to adapt?

💡 Hint: Consider the advantages of having more genetic variants.

Question 2

Two species have the same haploid number of chromosomes but differ in their diploid number. How could this impact their reproductive compatibility?

💡 Hint: Think about how mismatched chromosome numbers impact offspring.

Challenge and get performance evaluation