Answer:Chromosome
Explanation:
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.
Answer:
mitochondrion
Explanation:
The mitochondrion contains mitochondrial DNA which goes back to the endosymbiotic theory if you remember that.
