Trace the development of polyploidal cell that is formed after double fertilisation in a nonalbuminous seed and albuminous seed.

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Solution

The central cell after triple fusion becomes the primary endosperm cell (PEC) and develops into the endosperm which is triploid nutritive tissue. In albuminous seed the endosperm persists even at maturity as developing embryo does not consume it completely as in caston and coconut.

In non-albuminous seed the endosperm is completly consumed by the developing embryo. So, endosperm is not present at maturity as in Pea, Groundnut, beans etc.

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Similar questions

The mature seeds of plants such as gram and peas possess no endosperm,because

(a) these plants are not angiosperms

(b) there is no double fertilisation in them

(d) endosperm gets used by the developing embryo during seed development

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