The Theory That Chloroplasts and Mitochondria Had Their Evolutionary Beginnings

The theory that chloroplasts and mitochondria had their evolutionary beginnings in eukaryotic cells as endosymbionts is supported by all of the following EXCEPT:

A) chloroplasts and mitochondria are completely autonomous within eukaryotic cells.
B) chloroplasts and mitochondria have DNA.
C) chloroplasts and mitochondria have small ribosomes for protein synthesis.
D) chloroplasts and mitochondria are approximately the same size as prokaryotic cells.
E) chloroplasts and mitochondria have the same shape as prokaryotic cells.