IB Biology SL 3.1.6 Fertilization in humans Question Bank
Practise IB Biology SL 3.1.6 by identifying the key nuclear events when sperm and egg fuse during fertilization.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Identify breakdown of sperm and egg nuclear membranes as a fertilization event.
- Explain how fertilization combines parental chromosomes to form a zygote.
D3.1.6—Fertilization in humans question 1
[Maximum number: 1]
What happens during fertilization in humans?
A
The nuclear membranes of sperm and egg break down.
B
The sperm enters the egg.
C
The chromosomes undergo joint meiosis.
D
Mitochondria in the zygote come from sperm and egg.
A
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