Key points from article :
DNA sequences between mitochondria inside a single cell are vastly different.
Mitochondrial dysfunction has been linked to type 2 diabetes, Parkinson’s, Alzheimer’s and cardiovascular disease.
Mitochondrial DNA (mtDNA) is only inherited from your mother.
UPenn researchers isolated a single mitochondrion and then extracted its DNA.
The study was published in the Cell Reports journal.
