When a true breeding yellow seeded pea plant is crossed with a true breeding green seeded pea plant the F1 offspring all have which genotype?; What types of offspring were produced when a plant with round peas was crossed with itself self pollination )?; What would be the result of crossing pure breeding round and wrinkled seeds?; When a pea plant is true breeding for a trait?; Why would a pea plant that is heterozygous for plant height have the dominant phenotype?; Which of the character is dominant in pea plant?