Self-incompatibility- I. Is a device to prevent inbreeding II. Prov...

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Self-incompatibility-
I. Is a device to prevent inbreeding
II. Provides a biochemical block to self-fertilisation
III. Ensures cross-fertilisation
IV. Is governed by pollen-pistil interaction
V. Is governed by series of multiple alleles.
VI. Prevents self-pollen (from the same flower of the same plant) from fertilizing the ovules by inhibiting pollen germination or pollen tube growth in the pistil.
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