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aob.oxfordjournals.org/content/40/1/99.full.pdf
example, when the primary chalazal nucleus fails to undergo some or all of the further divisions, 1-3 chalazal nuclei are formed instead of a typical quartet.
www.iasprr.org/old/iasprr-pix/lily/female.shtml
Soon after their formation, three of the megaspore nuclei migrate to the chalazal end, while one remains in the micropylar end. As this occurs, a central vacuole ...
onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.1964.tb... onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.1964.tb07382.x/pdf
the primary chalazal nucleus of the two-nucleate embryo sac degenerates while the micropylar counterpart divides twice to form four nuclei. The mature embryo ...
www.pnas.org/content/20/3/163.full.pdf
to the chalazal end of the embryo sac (Fig. 2), and then all fournuclei divide simultaneously.During this division the spindles of the three chalazal nuclei unite.
www.pnas.org/content/25/3/141.full.pdf
nucleus nearest the chalazal end becomes the nucleus of the single antipodal cell; that ... vacuole appears between the three chalazal nuclei and the micropylar ...
www.jstor.org/stable/2472131
the second chalazal nucleus becomes the polar nucleus. .... very early or because daughter nuclei of the primary chalazal nucleus do not divide. t In these the ...
www.jstor.org/stable/2481885
divisioin of the chalazal nuclei and early degeneration of antipodals) the embryo- sac at alithesis contains less than 16 nuclei. Although the number. 17 ...
www.ncbi.nlm.nih.gov/pubmed/15248065
Jul 10, 2004 ... Nuclear fusions contribute to polyploidization of the gigantic nuclei in the chalazal endosperm of Arabidopsis. Baroux C, Fransz P, Grossniklaus ...
www.ncbi.nlm.nih.gov/pmc/articles/PMC1077730/pdf/pnas01... www.ncbi.nlm.nih.gov/pmc/articles/PMC1077730/pdf/pnas01602-0035.pdf
One nucleus remains at the micropylar end and divides at the same time that the newly formed chalazal nucleus divides. Of the four resulting nuclei, one (with n ...
www.jstor.org/stable/2472079
two sister nuclei of the last division give rise to the two synergids and the lower nucleus constitutes the egg. The two chalazal nuclei remain undivided and ...
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