The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this explanation?

Endosymbiotic theory proposes that chloroplasts descended from free-living prokaryotes that were taken into an ancestral cell. Chloroplasts having their own DNA supports this idea because prokaryotes also carry their own genetic material. The correct choice is “Chloroplasts have their own DNA.”

AI-written and checked against the verified answer.