Answer:
Heredity
Explanation:
The parents inherit some of the grandparents characteristics and the offsprings inherit the characteristics of the parent.
 
        
             
        
        
        
Options not given but 
Clouds at medium altitudes are made of ice crystals.
As the mid-level clouds form ice crystals when the temperature is cold.
hope it helps
 
        
             
        
        
        
Answer:
prophase
Explanation:
the first step.
the nuclear envelope breaks down and chromosomes condense and become invisible
 
        
                    
             
        
        
        
<span>That would be "Chorionic Villus Sampling"</span>