In the diagram below, we have pea plants with flowers in different positions on the plant. Which of the following is a dominant trait?
Axial flower position in garden pea is dominant over the terminal.
A character usually has alternating forms called alleles. In a pair of alleles, the allele which suppresses the expression of the other is called dominant while the one that gets suppressed in presence of a dominant allele is called a recessive allele.