Short Answer Question:
Incompatibility is a natural barrier in the fusion of gametes. How will you explain this statement?
- Incompatibility refers to inability of certain gametes even from genetically similar plant species to fuse with each other.
- It is considered as the most prevalent and effective device to avoid inbreeding and outbreeding.
- Pollen pistil interaction is a dynamic process that involves pollen recognition followed by promotion or inhibition of the pollen.
- Chemical substances released by the style act as a barrier.
- Typically the pollen belonging to the correct mating type germinates on stigma, develops a pollen tube, and brings about fertilization.
- The pollens belonging to the other mating type are discarded.
Thus, incompatibility is a natural barrier in the fusion of gametes.
Concept: Pollination - Pollen Pistil Interaction
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