The pedigree on page 130 shows the individuals in a family with a particular condition. What does the pedigree indicate about the gene for this condition? A)The gene is autosomal and recessive.
B) The gene is sex-linked and dominant, C)The gene is autosomal and domiant.
D) The gene is sex-linked and recessive.​

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.