CourseCourseConceptConceptDocsDocuments

IB Biology SL A1.2.10 Conservation of Genetic Code Questions

Practise IB Biology SL A1.2.10 by using shared codon meaning to explain gene transfer and protein production across species.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Explain that the universal genetic code allows a transferred gene to produce the same amino-acid sequence in a different species.
  • Use cross-species codon evidence to distinguish universality of the genetic code from degeneracy and known exceptions.

Learn this topic

Study A1.2.10—Conservation of genetic code conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology SL A1.2.10 Conservation of Genetic Code Questions question 1

[Maximum number: 1]

Some yeast genes can be replaced by human genes that then continue to produce the same human proteins in the yeast cells. Which statement helps to explain this evidence?

A

The DNA of yeast and humans is identical.

B

Yeast and humans have the same number of chromosomes.

C

The genetic code is universal.

D

Yeast and humans are both eukaryotes.

All question bank results loaded