Mitochondria and chloroplasts have their own DNA and ribosomes, which supports the endosymbiotic hypothesis.

Name: Mitochondria and chloroplasts have their own DNA and ribosomes, which supports the endosymbiotic hypothesis.
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The presence of DNA and ribosomes in mitochondria and chloroplasts indicates that these organelles were once free-living prokaryotes that were engulfed by a larger eukaryotic cell and evolved into an endosymbiotic relationship. This is known as the endosymbiotic hypothesis.

Mitochondria and Chloroplasts Have Their Own DNA and Ribosomes, Which