English: This Punnett square displays phenotypic incomplete dominance. Incomplete dominance is when the there is no dominance between traits, and it results in a blending of traits. In this example, the R allele for red petals blends with the white trait of the r allele. This results in the petals being pink, which is a trait of neither allele. This Punnett square displays phenotypic incomplete dominance. Incomplete dominance is when the there is no dominance between traits, and it results in a blending of traits. In this example, the R allele for red petals blends with the white trait of the r allele. This results in the petals being pink, which is a trait of neither allele.