Biology A (Salters-Nuffield) A-Level
Heterozygosity index (H)
What Heterozygosity index (H) means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Heterozygosity index (H)
Check what you remember
Read the wording for your board, then hide it and explain Heterozygosity index (H) in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A measure of genetic diversity within a species, calculated as the number of heterozygotes divided by the number of individuals in the population.
Topics that use Heterozygosity index (H)
- Topic 4: Biodiversity and Natural Resources (Pearson Edexcel A-Level)
Related terms
- Adaptation and speciation
- Allele frequency change over time
- Amyloplast
- Aseptic technique
- Binary fission
- Biodegradability
- Calcium and magnesium in plant structure and function
- Cellulose
Using Heterozygosity index (H) 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 A (Salters-Nuffield) questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A (Salters-Nuffield) A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge