Simple but with cool writing and art, and also has that nice, juicy/crunchy game feel! As a geneticist myself I was happy to find a game about genes lol.
(obligatory nerdy note, please do not take this as hard criticism): if you ever want to update the game for more "biological correctness" the correct nucleotides for DNA would be A,C,G,T not "U" (U is present in RNA) :)