How was it determined that mitochondria and chloroplasts of eukaryotes are actually ancestors of specific lineages of Bacteria?
A) visual inspection
B) evolutionary studies
C) clinical diagnosis
D) molecular sequencing

Question

Quizplus · Accepted Answer

It was determined that mitochondria and chloroplasts of eukaryotes are actually ancestors of specific lineages of Bacteria through molecular sequencing. Comparative analysis of the genome sequences of bacteria, archaea, and eukaryotes revealed that mitochondria and chloroplasts are closely related to certain bacterial groups, supporting the endosymbiotic theory of their origin.

How Was It Determined That Mitochondria and Chloroplasts of Eukaryotes