Biology GCSE
Heterozygous
What Heterozygous means in Biology GCSE, as defined for AQA.
Definitions of Heterozygous
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Reference: AQA
Describes an organism with one dominant allele and one recessive allele present, where the dominant allele determines the characteristic.
Describes an organism when the two alleles present for a gene are different, such as Tt, and it shows the dominant characteristic.
Topics that use Heterozygous
- Genetic inheritance (AQA GCSE)
Related terms
- Allele notation
- Alleles
- Chromosome
- direct proportion
- Dominant allele
- Gene
- Genotype
- Homozygous dominant and homozygous recessive
Using Heterozygous in the exam
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