🎓 IB Exam Prep

What is a "mutation"?

A A planned change in DNA
B A random change in the nucleotide sequence of DNA
C Cell division
D A type of reproduction

✓ Correct Answer: Option B

A mutation is a permanent change in the DNA sequence. Mutations can be beneficial, harmful, or neutral.

💡 Why is B) the correct answer?

The correct answer to the question "What is a "mutation"?" is Option B: A random change in the nucleotide sequence of DNA.

The other options — A) A planned change in DNA, C) Cell division, D) A type of reproduction — are incorrect for this IB Exam Prep question. As explained above: A mutation is a permanent change in the DNA sequence. Mutations can be beneficial, harmful, or neutral.

📚 About This IB Exam Prep Practice Question

This 2-level IB Exam Prep question from the Biology topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free IB Exam Prep practice test or use flashcards for spaced repetition review.

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