DP Biology (first assessment 2025)

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Question SPM.2.HL.TZ0.c

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Date May Specimen-2023 Marks available [Maximum mark: 4] Reference code SPM.2.HL.TZ0.c
Level HL Paper 2 Time zone TZ0
Command term Describe Question number c Adapted from N/A
c.
[Maximum mark: 4]
SPM.2.HL.TZ0.c

Describe the use of gene knockout technology in research.

[4]

Markscheme
  1.  gene knockout technology is a genetic engineering technique/intentional alteration in the sequence of a  gene;
  2.  making a gene inactive;
  3.  using site specific nucleases / CRISPR;
  4.  researcher observes changes in phenotype of organism;
  5.  allows researcher to determine function of the gene;
  6.  entire library of knockout organisms exists;
  7.  made available to researchers;

Syllabus sections