what-role-does-mitochondrial-dna-play-in-the-context-of-the-endosymbiotic-theory

Question

What role does mitochondrial DNA play in the context of the endosymbiotic theory?

Accepted Answer

It supports the idea that mitochondria were once independent organisms.

Answer

It implies mitochondria developed DNA independently after the formation of eukaryotic cells.

Answer

It indicates mitochondria evolved from the nuclear DNA of eukaryotic cells.

Answer

It suggests mitochondria acquired DNA from viral infections.