Transcript
AUDIE CORNISH, HOST:
Finally this hour: Your letters. We heard from Aaron Berger, a high school biology teacher in Minneapolis. He listened closely to our conversation this week about mitochondrial DNA. A debate is raging over whether women who want to have children but have errors in their DNA should be allowed to get a healthy transplant.
Berger wrote to add something he did not hear on our air: Mitochondria are the organelles that allow our cells to release energy from the nutrients in our food.