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When the dominant allele does not completely mask the effect of the recessive allele in the heterozygote, it is called incomplete dominance. In this case, both alleles contribute to the phenotype, resulting in an intermediate phenotype.
Incomplete dominance
When both the alleles are expressed, it is called co-dominance or mixed dominance.
When one allele for a particular trait masks or overrides another allele for a trait, it is called dominance. The allele that is masked is called the recessive allele. The allele that is dominant will determine the phenotype.
complete dominance incomplete dominance co-dominance multiple alleles polygenic inheritance
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This is Mendel's principle of dominance. Dominant alleles will always mask the presence of recessive alleles in a heterozygous genotype.
The three types of dominance are complete dominance, incomplete dominance, and codominance. In complete dominance, one allele is fully expressed over another. In incomplete dominance, neither allele is completely dominant, resulting in a blending of traits. In codominance, both alleles are expressed equally, leading to a distinct phenotype that shows features of both alleles.
complete dominance
complete dominance
complete dominance
When the dominant allele does not completely mask the effect of the recessive allele in the heterozygote, it is called incomplete dominance. In this case, both alleles contribute to the phenotype, resulting in an intermediate phenotype.
Complete Dominance: Where in the dominant gene completely masks the effect of the resesive gen in heterozygous conditions. Ex. Tt or Rr. Incomplete Dominance: When 2 or more alleles influence a phenotype. Ex. Flowers. Codominance: When both alleles for a gene are expressed in heterozygous offspring. Ex. Bloodtype.
Complete Dominance: Where in the dominant gene completely masks the effect of the resesive gen in heterozygous conditions. Ex. Tt or Rr. Incomplete Dominance: When 2 or more alleles influence a phenotype. Ex. Flowers. Codominance: When both alleles for a gene are expressed in heterozygous offspring. Ex. Bloodtype.
If you have 2 dominant alleles, the gene will be dominant, if you have 2 recessive alleles, the gene will be recessive. But if you have 1 recessive and 1 dominant, the Dominant allele will mask the recessive one.
Complete Dominance