What Is DNA's Role in Inheritance? DNA is the genetic information used to make proteins, and it contains the hereditary traits of organisms. ... You are who you are because of your DNA; the smallest change to it would make you a completely different person.
This probably is Yeast cells they can respire both aerobically and anaerobically. they prefer the presence of oxygen as aerobic respiration produces more energy that anaerobically and produces less waste products than anaerobic respiration.
hope that helps
