I was surprized that Prof. Martindale described our results as "dodgy" in his comment to Nature www.nature.com/articles/d41....
In our paper, Dr. Kremnyov has demonstrated induction of an ectopic pharynx consisting of a mixture of donor and recipient cells, which forms upon transplantation...
nature.com
Cell transplant across the tree of life hints at how animals emerged
Embryonic ‘organizer cells’ can tell embryos of various phyla what kind of body to build.