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CAIE A-Level Biology A2 16.3.5 Gibberellin and Gene Activation Questions

Explain gibberellin and gene activation using evidence from each question and mark scheme.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • Explain gibberellin and gene activation.

CAIE A-Level Biology A2 16.3.5 Gibberellin and Gene Activation Questions question 1

[Maximum number: 3]

Genes have a role in determining the overall phenotype of an organism.

Dwarf plants also occur if the genes controlling growth are not activated (switched on).

Explain how DELLA proteins act as repressors preventing gene expression.

Figure for Question CAIE A-Level Biology A2 16.3.5 Gibberellin and Gene Activation Questions question 1 — CAIE A-Level Biology A2
Figure for Question CAIE A-Level Biology A2 16.3.5 Gibberellin and Gene Activation Questions question 1 — CAIE A-Level Biology A2
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