Practice The Master Molecule – DNA and Chromosomes - 1.2 | Unit 5: Introduction to Genetics and Heredity | IB MYP Grade 9 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does DNA stand for?

💡 Hint: Think about the structure that carries genetic information.

Question 2

Easy

How many chromosomes do humans typically have?

💡 Hint: Consider the number of pairs in a human cell.

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 basic unit of DNA?

  • Gene
  • Nucleotide
  • Chromosome

💡 Hint: Consider what makes up DNA.

Question 2

True or false: Chromosomes are visible in the nucleus of the cell during all stages of the cell cycle.

  • True
  • False

💡 Hint: Think about when you can see chromosomes.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Explain how mutations in DNA can affect traits and give an example of an inherited disease that results from such mutations.

💡 Hint: Consider how mutations can alter the function of proteins.

Question 2

Discuss the implications of genetic testing and provide arguments for and against it.

💡 Hint: Think about both the benefits and drawbacks of knowing genetic information.

Challenge and get performance evaluation