CourseCourseConceptConceptDocsDocuments

IB Biology HL D1.3.1 Gene Mutations Questions

Use IB Biology HL D1.3.1 evidence to identify DNA sequence changes and distinguish substitution, insertion and deletion mutation types.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Define a gene mutation as a change in the DNA nucleotide or base sequence.
  • Identify and distinguish substitution, insertion, and deletion as gene-mutation types at the DNA sequence level.

Learn this topic

Study D1.3.1—Gene mutations conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL D1.3.1 Gene Mutations Questions question 1

[Maximum number: 1]

Duchenne muscular dystrophy (DMD) is a sex-linked genetic disorder caused by a recessive allele resulting from mutations in the X-linked dystrophin gene. This causes the degeneration of cardiac and skeletal muscle. These mutations can include deletions, insertions and base substitution mutations.

Distinguish between deletion and insertion mutations.

Figure for Question IB Biology HL D1.3.1 Gene Mutations Questions question 1 — IB Biology HL
All question bank results loaded