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Question : What is self incompatibility ? Why does self -pollination not lead to seed formation in self -incompatible species ?

Answer»

Solution :In some flowers the POLLEN grains do not GERMINATE on the PISTIL of same flower . This is called self INCOMPATIBILITY . In such cases the pollen grains do not germinate and produce male gametes and hence fertilisation does not occur . So seeds are not produced in self INCOMPATIBLE flowers


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