Answer :
Because both alleles (of homozygotes) exist in the progeny, codominance is also known as no dominance in some circumstances (heterozygote). As a result, the phenotype generated differs from the genotypes of the homozygotes.
The dominance in which the two alleles or characteristics of the genotype (of both homozygotes) are displayed jointly in children is referred to as codominance (phenotype). In cross-breeding, there is no dominant or recessive allele. Rather, the two alleles coexist and are generated as a combination of both alleles (that each allele has the tendency to add phenotypic expression during the breeding process).
Plants with white as the recessive allele and red as the dominant allele produce blooms with pink and white patches following cross-breeding, which is an example of codominance.
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