The development of hybrid endosperm was regulated by apoptosis and proceeded according to a domainal pattern.
Paulina Tomaszewska, Romuald Kosina 2014, 'Microstructural and cytogenetic disorders in endosperm of an Avena fatua × A. sterilishybrid', Modern Phytomorphologyhttp://phytomorphology.org/PDF/MP6/06067068.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)