zygote asymmetric cytokinesis in embryo sac
The division of the zygote in a plane perpendicular to the long axis of the embryo sac to produce a larger basal cell near the micropyle and a small terminal cell close to what was the central cell and is now the developing endosperm. An example of this process is found in Arabidopsis thaliana.
GO:0000281
mitotic cytokinesis
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GO:0010070
zygote asymmetric cell division
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GO:0009793
embryo development ending in seed dormancy
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