Biology GCSE
dominant and recessive alleles
What dominant and recessive alleles means in Biology GCSE, as defined for OCR.
Definition of dominant and recessive alleles
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Reference: OCR
In crosses involving these, homozygous dominant crossed with homozygous recessive gives heterozygous offspring expressing the dominant phenotype.
Topics that use dominant and recessive alleles
- Inheritance (OCR GCSE)
Related terms
- Asexual reproduction
- carrier identification
- chromosomes
- continuous variation
- data interpretation
- direct proportion
- discontinuous variation
- DNA
Using dominant and recessive alleles in the exam
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