Question

Heterozygosity is produced following

• A. Xenogamy
• B. Geitonogamy
• C. Autogamy
• D. Cleistogamy

Answer 1

Answer: (A)

Xenogamy

Xenogamy is the cross pollination between the flowers of different plants.

Geitonogamy is a type of self pollination in which pollen are transferred from the anther of one flower to the stigma of another flower of the same plant.

Autogamy is a type of self pollination in which pollen are transferred from the anther to the stigma of the same flower.

Cleistogamy is the condition in which flowers never open and the pollen from the anther fall on the stigma of the same flower. Thus, only self pollination can occur in cleistogamous flowers.

Since, from all the options given in the question, only xenogamy involves two different plants, therefore it produces hererozygosity.

So, the correct answer is A.