Question

Differentiate between autogamy and geitonogamy.

Answer 1

	Autogamy	Geitonogamy
1.	Autogamy is the pollination of a flower by its own pollen grains.	Geitonogamy is the pollination of a flower by pollen grains from another flower on the same plant.
2.	It occurs when pollen is transferred within the same flower.	It occurs when pollen is transferred between different flowers on the same plant.
3.	It is a type of self-pollination.	It is functionally cross-pollination but genetically similar to self-pollination.
4.	It is common in bisexual and cleistogamous flowers.	It requires the presence of multiple flowers on the same plant to occur.