Biology A-Level
STR multi-locus comparison
What STR multi-locus comparison means in Biology A-Level, as defined for OCR.
Definition of STR multi-locus comparison
Check what you remember
Read the wording for your board, then hide it and explain STR multi-locus comparison in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Short tandem repeat numbers at several loci are measured, giving a multi-locus profile that is compared between samples.
Topics that use STR multi-locus comparison
- Manipulating genomes (OCR A-Level)
Related terms
- Applications in analysing nucleic acids and proteins
- Applications in DNA analysis and quantification
- Chain-termination mechanism
- Charge-based migration in an electric field
- Comparison of scale, speed and cost
- Degeneracy of the code
- Evolutionary relationships between species
- Fluorescent detection and size separation
Using STR multi-locus comparison in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge