Give scientific reasons for the following statements:
The pea plants (Pisum sativum) were selected for Mendel's experiments.

Explanation

(1) They are small plants and can be easily grown. (2) They are annual plants. So there are more chances of studying more number of generations every year. (3) It produces a large number of offsprings. (4) Its flowers are bisexual and generally show self-fertilisation. (5) Artificially cross pollination can be done as and when required. (6) There are varieties of characters. Each character shows atleast two contrasting expressions.