THEORY VS PRACTICE 2. “Similarly, and notwithstanding the uncertainty regarding actual ancestral angiosperm genome sizes, if one postulates a small ancestral genome size of, say, 300 megabases, in the absence of countervailing forces the modern G. hirsutum genome should be enormous, 43.2 gigabases (Gb), instead of the 2.4 Gb that it actually contains.”
http://www.amjbot.org/content/early/2015/10/09/ajb.1500320