You have said yourself that phenotypic plasticity can not explain the difference between species, correct?
Then what is insufficient about our understanding of the relationship between embryonic development and genetics? Did you look at the information on homeobox genes?
Yesā¦ I dont think phenotypic plasticity can explain the difference between species.
But is there evidence for such a position?
Is there some way to truly define the limits of phenotypic plasticity?
After all a caterpillar looks very different from a butterfly.
Havenāt described the process for even one organism.
And there a lot of organisms in the planet.