BRAINCAKEEpistasis
Epistasis is the interaction of different genes at different loci. Some epistatic genes are regulatory genes. Other genes code for enzymes on the same biochemical pathway. Continuous variation is the result of the interaction of many genes many of which exhibit epistasis.
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Key terms in this lesson
- allele
- One of two or more alternative versions of a gene, occupying the same locus on homologous chromosomes.
More in Genetics and Variation
- Sex Linkage
- Dihybrid Crosses
- Linkage
- Χ-squared Test
- The Hardy-Weinberg Principle
- Changes in Allele Frequencies
- Population Bottlenecks and The Founder Effect
- Types of Selection
All 36 lessons in Genetics and Variation · All AQA A-level Biology topics