Heterozygous means both. so the answer would be Ff mom and Ff dad
        
             
        
        
        
Children's who live at high altitudes develop a larger chest cavity by adulthood than children who live at lower altitudes. It is an example of developmental adaptations which occurs at the level of the individual during the time of critical life stages. 
Mediastinal tumors occur in the chest cavity and it contains the heart, trachea, connective tissue, thymus gland, and large blood vessels which are between the lungs. Chest mass in children and in infants may be secondary tumors.
        
             
        
        
        
Answer:
The viruses replicate by lytic and lysogenic cycles
Explanation:
In the lytic cycle, viral proteins attach to the cell membrane in the host in order to release its genetic material to take advantage of the cellular host machinery and synthesize proteins to continue with the infection.  This is immediately harmful to the host.
In the lysogenic cycle, the genetic material of bacteriophage integrate into the host genome or form a circular replicon.
 
        
             
        
        
        
The right ventricle pumps deoxygenated blood to the lungs.