In the episode 143. when Taka fought Killer B Sasuke injured and Jūgo fused his body and chakra with him and if implanting someone others cells make the user stronger and gives the abilities of the original (Hashirama's cells gave Danzō, Orochimaru, Madara and Obito the Kekkei Genkai - Wood Release and stamina) then Sasuke must gain some ability of transformation from Jūgo or other skills...
Why he doesn't uses it?
Why he doesn't uses it?