To a considerable degree, then, Stebbins’ and Yagil's 1966 goal [29] for the field of plant development, that we find the “complete chain of events from primary gene activity to … morphological differences” is well-advanced, and the methods exist to continue to the end. All that was necessary was a combination of technical advances in gene analysis and in microscopy to allow detailed and live imaging of development, gene expression, and protein location