Analysis of mitochondrial dna can answer interesting and important questions. for which of the questions would analyzing mitochondrial dna be futile?
are you my father?
i have poor muscle function, is there something wrong with my ability to make lots of atp?
from biological samplings at a crime scene, can we keep this person as our primary suspect?
are you my long-lost brother?
which is more closely related to the great white shark, the tiger shark or the hammerhead shark?

The correct option would be are you my father.

Explanation:

The mitochondria of a cell is known to produce its own DNA and this DNA can also code for proteins. However, the mitochondrial DNA is only known to be transferred from the mother of a person. A person does not inherit mitochondrial DNA from his/her father. Hence, the analysis of the mitochondrial DNA has nothing to do with the testing for the father of a person.

Mitochondria are the powerhouse of a cell where the process of cellular respiration occurs.

i think the answer is b.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.