"Incompatibility is a natural barrier in the fusion of gametes". Justify the statement.

Explanation

Incompatibility is considered as the most widespread and effective device to prevent inbreeding and outbreeding Pollen pistil interaction is a dynamic process involving pollen recognition followed by promotion or inhibition of the pollen. It acts as a natural barrier by the interaction of chemical substances produced by the style Normally the pollen belonging to right mating type germinate on stigma. develop pollen tube and bring about fertilization. The pollen grains belonging to other mating type are discarded