Complex sentence: DC Comics later adjusted its continuity to explain that Black Canary was in fact two characters, mother and daughter Dinah Drake and Dinah Laurel Lance, with stories since the Silver Age primarily focusing on the younger Black Canary and ascribing her superhuman abilities to a genetic mutation.
Split into simpler sentences: DC Comics later adjusted its continuity, explaining that Black Canary was two characters: mother and daughter Dinah Drake and Dinah Laurel Lance. Stories since the Silver Age focused on the younger Black Canary, ascribing her superhuman abilities to a genetic mutation.