CAIE A-Level Biology 17.1 Variation Question Bank
Practise variation questions by classifying trait distributions, explaining genetic and environmental causes and using t-tests to compare sample means.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Exam points
- classify continuous or discontinuous variation from categories, ranges or distribution curves
- explain genetic and environmental causes, including polygenes, alleles and additive effects
- calculate t-values and compare critical values to decide whether means differ significantly
