Self-incompatibility MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
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EASYThe mechanism to control inbreeding depression in angiosperm is
Concepts Covered - 1
Self Incompatibility
- Self-incompatibility or intraspecific incompatibility is a well-designed genetic mechanism by which certain plants recognize and reject their own pollen thus forcing outbreeding.
- It is defined as “the inability of the plant producing functional gametes to set seeds upon self-pollination”.
- Gametophytic self-incompatibility is due to the genotype of pollen, for example, Liliaceae, Solanaceae, Poaceae.
- Sporophytic self-incompatibility is due to the genotype of sporophytic or stigmatic tissues, for example, Brassicaceae.
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