Enter your Parent 1 and Parent 2 Genotypes alongside Dominant, Intermediate, and Recessive Phenotype names, and the Incomplete Dominance Calculator works out each offspring phenotype probability — including the blended Intermediate Phenotype — plus Genotype and Phenotype Ratios.
Dominant Phenotype Probability
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Intermediate Phenotype Probability
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Recessive Phenotype Probability
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Genotype Ratio
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Incomplete dominance is a genetic inheritance pattern where neither allele is completely dominant over the other, resulting in a blended or intermediate phenotype in heterozygous individuals.
No, they are different. In incomplete dominance, the traits blend together (like red + white = pink), while in co-dominance, both traits are expressed simultaneously without blending (like AB blood type).
While this calculator demonstrates genetic principles, most human traits are complex and influenced by multiple genes. Simple incomplete dominance is rare in humans, but examples include some blood proteins and certain hair textures.
Genotype refers to the genetic makeup (the alleles present, like RR or Rr), while phenotype refers to the observable characteristics (like red or pink flowers) that result from the genotype.
Punnett squares show theoretical probabilities based on simple inheritance patterns. Real-world results may vary due to environmental factors, gene interactions, and statistical variation in small sample sizes.
This typically occurs with recessive traits in complete dominance, not incomplete dominance. In incomplete dominance, heterozygous individuals show an intermediate phenotype, so traits don't truly 'skip' generations.
The calculator creates a Punnett square by combining all possible gametes from each parent, then determines the probability of each genotype and corresponding phenotype based on incomplete dominance inheritance patterns.