Despite these constructs being distinct and dissimilar, they are often confused for each other and used interchangeably. In such a scenario, the concepts of incomplete dominance and codominance emerge. ![]() However, in cases where a gene may have multiple alleles, all the alleles may not necessarily follow simple dominance, since one or more alleles of the gene may be dominant or recessive. Gregor Mendel discovered the phenomenon of codominance while studying polygenetic traits and their inheritance.Īccording to the Mendelian laws of inheritance, an allele for any given gene (coding for a specific trait), is either dominant or recessive with regards to the end phenotype presented by it.
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