AP BIOLOGY

Detailed explanation-1: -Mendel carried out his key experiments using the garden pea, Pisum sativum, as a model system. Pea plants make a convenient system for studies of inheritance, and they are still studied by some geneticists today. Useful features of peas include their rapid life cycle and the production of lots and lots of seeds.

Detailed explanation-2: -Mendel studied inheritance in peas (Pisum sativum). He chose peas because they had been used for similar studies, are easy to grow and can be sown each year. Pea flowers contain both male and female parts, called stamen and stigma, and usually self-pollinate.

Detailed explanation-3: -Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent.

Detailed explanation-4: -Mendel studied 7 characters of the pea plant in his experiments. The characters chosen by Mendel were seed color, seed shape, stem height, flower color, flower position, pod color, and pod shape. All the genes controlling these seven pea characters are located on 4 different chromosomes (1, 4, 5, 7).

Detailed explanation-5: -pea, (Pisum sativum), also called garden pea, herbaceous annual plant in the family Fabaceae, grown virtually worldwide for its edible seeds.