Answer:
the child will either receive either an X or a Y chromosome from the father 
Explanation:
The mother always give the child an X chromosome because thats the only one she can give 
the father can either give an X or a Y which determines if the child will be female or male 
 
        
             
        
        
        
Answer:
25%
Explanation:
(I'm guessing "loonas" does not mean black)
as you can see in the picture 25% is ll or black
 
        
             
        
        
        
The Equator is halfway in between
 
        
             
        
        
        
Answer:
they are smaller then cells
Explanation:
they are composed of many atoms