Answer: The sun was shining, so I took the dog for a walk.
Explanation:
Rosa Parks was an important person in history. She along with some other African Americans stood up for what they believed in, or in her case stayed seated.
There are three main differences between nuclear and mitochondria DNA (mtDNA): 1.) mtDNA is circular, whereas nuclear DNA is linear. (Both are double stranded) 2.) mtDNA is (generally) uni-parentally inherited, in most animals (not mussels though for example), mtDNA is passed from mother to offspring. from wiki