The economics of genes

Why do mitochondria and chloroplast still have some genes?

Image by KK Malukani, PhD

Mitochondria and chloroplast are the key energy factories of eukaryotes. If you don’t know who are eukaryotes, it’s you, me, and almost every living creature that you see around you. Except for the bacteria, which we generally can't see with the naked eye. But long back mitochondria and chloroplast were independent bacteria. In the course of evolution, they got…