Evolve (7)
'evolve' is the definition.
(I know that evolve can be written as develop)
This is all the clue.
(Other definitions for develop that I've seen before include "Convert (land) to new purpose" , "Become more advanced" , "Bring to maturity" , "Work out in more detail" , "Unfold" .)
'evolve' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for mutate that I've seen before include "Undergo alteration in form" , "Change genetic structure" , "Me taut? (anag) - change fundamentally" , "Undergo cellular change" , "Change in genetic way, perhaps from radiation" .)