Answer :
The trait was that the parents were both heterozygous.
A dominant trait can have two different genotypes because the dominant allele masks the recessive allele. Dominant phenotypic traits are either homozygous dominant, where both alleles are dominant or heterozygosity, which is a genotype with one dominant allele and one recessive allele.
For plants, true reproduction occurs when a plant only produces offspring of the same variety when self-pollinated. For example, a blue-flowered plant produces only seeds, which grow into blue-flowered plants. With true reproduction, the trait is passed on to all subsequent generations. Crossing purebred P plants produces F1 heterozygotes that are capable of self-pollination. Self-crosses of the F1 generation can be analyzed.
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