IB Biology SL B2.3.1 Differentiation After Fertilization Questions
Follow how one zygote forms specialized cell types as different genes switch on and signalling gradients shape development.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Explain how selective gene expression and suppression differentiate embryonic cells.
- Relate signalling-chemical gradients in unspecialized cells to cell differentiation.
IB Biology SL B2.3.1 Differentiation After Fertilization Questions question 1
[Maximum number: 1]
What results from an unspecialized cell experiencing gradients of signalling chemicals?
A
Cell differentiation
B
Meiosis
C
Saltatory conduction
D
DNA replication
A
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