IB Biology SL 3.2.8 SNPs and multiple alleles Question Bank
Practise IB Biology SL 3.2.8 by identifying how alleles differ in DNA sequence and influence phenotype.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Define alleles as alternative forms of the same gene.
- Explain that allele differences can arise from differences in DNA base sequence.
D3.2.8—SNPs and multiple alleles question 1
[Maximum number: 1]
What is a difference between two alleles of a gene?
A
Their positions on homologous chromosomes
B
Their amino acid sequence
C
The characteristic they influence
D
Their base sequence
D
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