an individual belonging to blood group A, one of whose parents was Type O, was married to an individual belonging to group AB. What would be the expected results of their offspring with blood type AB? What is the chance that any of their children would be typed A?

Ihaven't done that yet, so no idea,but this is not the right place to ask

Mitochondria is the cell organelle that produced the energy that is needed in the body system in form of atp, that is why it is called the power house of the cell. energy is needed by the living organisms to carry out the activities which sustain life.  if the mitochondria is destroyed atp will not be produced. if the mitochondria is destroyed, energy production will stop and the affected living organism will not have the energy to carry out the necessary life processes; this will lead to the death of the organism.