Question

Why did Mendel select garden pea for his experiments? Explain the characteristics of pea.

Answer 1

selected garden pea plant (Pisum sativum ) as his experimental material because it has the following advantages:

Garden pea plant is an annual plant. Its short life cycle make it possible to study several generations within a short period.It has perfect bisexual flowers containing both male and female parts. The flowers are predominantly self-pollinating.Because of self-fertilization plants remain genetically pure. It is, therefore, easy to get pure lines of several generations.Experimental cross pollination can be done easily in pea plant.

Answer 2

Gregor Mendel chose the pea plants for his experiments because the garden pea is an ideal subject in the study of genetics for the following reasons:

presence of observable traits with contrasting forms

produces many offspring in one cross

short life cycle

ease in manipulating pollination (cross-pollination)

Pea plants had the following characteristics:-

plants were sexually reproducing with bisexual flowers

self-pollination and self-fertilization is possible

the life cycle was completed in one season

hybrids were perfectly fertile

many varieties with well-defined characters were available i.e. presence of seven pairs of contrasting or allelomorphic characters

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