D3.1.6—Fertilization in humans
Human fertilization involves sperm and egg nuclear changes that allow their genetic material to combine into a zygote after gamete interaction.
- Syllabus
- First assessment 2025
- Objective
- D3.1.6
- Level
- HL
Concept essentials
- Fertilization is a cellular process involving sperm and egg nuclei.
- The event is distinct from meiosis, which has already produced gametes.
- The zygote begins development only after fertilization has combined gamete genetic material.
ConceptIB Biology HL