CourseCourseConceptConceptDocumentDocument

IB Biology HL A3.1.15 Hl Environmental Dna Barcodes Questions

DNA barcoding identifies species using short sequences from selected genes. Environmental DNA from habitats can be amplified by PCR and compared with databases. This rapid method is useful for damaged, partial or hard-to-identify specimens.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Describe DNA barcoding as identifying species using short sequences from selected genes.
  • Explain how environmental DNA from habitats can be amplified by PCR and compared with databases.
  • Explain why DNA barcoding is rapid and useful for damaged, partial or hard-to-identify specimens.

IB Biology HL A3.1.15 Hl Environmental Dna Barcodes Questions question 1

[Maximum number: 1]

What is one application of DNA barcoding?

A

Selective breeding

B

Preserving an endangered species

C

Analysing environmental DNA

D

Sequencing a genome

All question bank results loaded