Incomplete Dominance
When a heterozygous genotype (two different alleles) results in an intermediate phenotype, this is either codominance or incomplete dominance. If it is codominance, then both alleles are expressed together in the phenotype. If it is incomplete dominance, the two alleles produce a blended phenotype rather than both alleles being expressed together.
It is called codominance or incomplete dominance.
When a heterozygous genotype (two different alleles) results in an intermediate phenotype, this is either codominance or incomplete dominance. If it is codominance, then both alleles are expressed together in the phenotype. If it is incomplete dominance, the two alleles produce a blended phenotype rather than both alleles being expressed together.
Incomplete Dominance
When two dominant alleles blend to form an intermediate phenotype, the resulting offspring will exhibit a combination of traits from both alleles. This is known as incomplete dominance, where neither allele is completely dominant over the other, leading to a unique and blended phenotype.
In intermediate inheritance, two different alleles at a single gene locus interact to produce a phenotype that is a blend of the two alleles. This results in a phenotype that falls between the dominant and recessive traits, rather than showing a clear dominant-recessive relationship. Both alleles contribute to the final phenotype in a co-dominant or blending manner.
When each allele codes for a different phenotype, it illustrates the concept of codominance or incomplete dominance in genetics. In codominance, both alleles express their traits simultaneously, resulting in a phenotype that displays characteristics of both alleles, such as in blood type AB. In incomplete dominance, the phenotype is a blend of the two alleles, resulting in a third, intermediate phenotype, like red and white flowers producing pink offspring. This genetic interaction highlights the complexity of inheritance and phenotypic expression.
Incomplete dominance is the type of inheritance that involves the partial expression of two different alleles. This results in a blending of traits from both alleles, producing an intermediate phenotype.
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This is called codominance in this case, neither allele is dominant over another, it creates in heterozyogous individuals a phenotype that is not in intermediate, nor the phenotype either of the two alleles create, but rather, a different phenotype.
Incomplete dominance occurs when the dominant and recessive alleles both contribute to the phenotype, resulting in an intermediate phenotype. In the case of Appaloosa horses, the spotted coat color is not a blended color but rather a distinct phenotype that is a result of both alleles influencing the expression of the trait. This is because each allele has a unique effect on the phenotype, leading to a different outcome than if the alleles were simply blended together.
This is called codominance in this case, neither allele is dominant over another, it creates in heterozyogous individuals a phenotype that is not in intermediate, nor the phenotype either of the two alleles create, but rather, a different phenotype.