IB Biology HL 3.1.15 Preventing polyspermy Question Bank
Practise IB Biology HL 3.1.15 by applying preventing polyspermy concepts to exam-style questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- identify the relevant biological structure, process or evidence
- apply the correct biological mechanism to the question
- evaluate the result using data, adaptation or ecological reasoning
D3.1.15 (HL)—Preventing polyspermy question 1
Hemophilia is a sex-linked disease that affected some members of royal families in Europe during the 19th and 20th centuries.
Explain the mechanism that prevents polyspermy during fertilization.
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