Answers are grounded in this paper and cite their sources.
J. L. Zimmerman; Somatic Embryogenesis: A Model for Early Development in Higher Plants., The Plant Cell, Volume 5, Issue 10, 1 October 1993, Pages 1411–1423, ht
No takes yet. Share an insight, caveat, or question.
J. Lynn Zimmerman (1993) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: