J. Andrew Gillis
= J. Andrew Gillis
{c}
A <developmental biologist> who tested shared developmental mechanisms of <branchial arches> and <paired fins>, comparing the effects of developmental signals rather than relying only on adult resemblance.<A shared role for sonic hedgehog signalling in patterning chondrichthyan gill arch appendages and tetrapod limbs by J. Andrew Gillis and Brian K. Hall>[Authorship and experimental findings]{ref}