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Between 1856 and 1863 Mendel cultivated and tested some 29,000 pea plants (Pisum sativum). This study showed that one in four pea plants had purebred recessive alleles, two out of four were hybrid and one out of four were purebred dominant.
Gregor Mendel is a Central European Monk who studied genetics through plants. He is greatly known as the founder of modern science genetics. In his various experiments, Mendel cross-pollinated pea plants because the peas have characteristics that have two forms. This means that pea plants have both male and female reproductive systems.