This usually happens when the gene product forms a multimer, and one functional subunit produced by one allele can interact with a defective subunit from the other allele to restore activity. When a cell is heterozygous for two recessive mutations in different genes, each allele can produce a functional subunit or enzyme.
Phenotypic Outcomes Analysis in Complementation Assays
Additionally, the assay assumes that the mutations are null alleles and that the gene product is not subject to dosage sensitivity. The process generally involves the presence of two distinct functional units that can operate independently.
This restoration of a wild-type phenotype is known as complementation, indicating that the mutations belong to distinct complementation groups. Intergenic complementation occurs when the mutations are in different genes, leading to a dominant phenotype because the wild-type allele of one gene suppresses the mutant allele of the other.
Phenotypic Outcomes Analysis: Intergenic Complementation and Mutation Mapping
These non-complementing mutations were mapped to the same locus, providing the first physical maps of genes within a chromosome. Intergenic Complementation A critical distinction exists between intragenic and intergenic complementation.
More About Complementation assays
Looking at Complementation assays from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on Complementation assays can make the topic easier to follow by connecting earlier points with a few simple takeaways.