In angiosperms, double fertilization produces a trinucleate cell that gives rise to a ____ endosperm and a ____ embryo.

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Double fertilization in angiosperms results in the formation of a triploid endosperm, which nourishes the developing embryo, and a diploid embryo, which develops into the new plant. This occurs because one sperm cell fertilizes the egg cell to form the diploid embryo, while another sperm cell fuses with two polar nuclei to form the triploid endosperm.

In Angiosperms, Double Fertilization Produces a Trinucleate Cell That Gives