There are two a and c just pick one
The question doesn't have choices. It would be better to have one.
If you look at two species in their embryogenic stage. their bones and their forms look similar and you can differentiate too.
if you look at a fish and a human...
humans wont have the the fins protruding in the fishes embryo, showing how different they are. <span />
I believe the answer would be <span>Gel electrophoresis.</span>
yes,because with no qualification you can not make the right choice when voting
