Answer:
mitochondrion
Step-by-step explanation:
The mitochondrion contains mitochondrial DNA which goes back to the endosymbiotic theory if you remember that.
Answer:Chromosome
Mitochondria are basically power generators, thats it.
Vacuole acts as a sewage system, dumping excess water and material.
A chromosome is something that makes up a gene, so that cant possibly be right.
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