Heterozygosity
What Heterozygosity means in Biology A-Level, as defined for OCR.
Definition of Heterozygosity
Check what you remember
Read the wording for your board, then hide it and explain Heterozygosity in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The proportion of individuals heterozygous at a locus, calculated as heterozygous individuals divided by total individuals sampled at a locus.
Topics that use Heterozygosity
- Biodiversity (OCR A-Level)
Related terms
- Aesthetic reasons for maintaining biodiversity
- Climate change
- Distinguishing reasons from conservation methods
- Ecological reasons for maintaining biodiversity
- Economic reasons for maintaining biodiversity
- Estimating species richness and abundance
- Ex situ conservation methods
- genetic diversity
Using Heterozygosity 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge