DNA contains the genetic material and comes from both the parents
        
             
        
        
        
Answer:
BB or Bb 
Explanation:
Black fur is dominant so it has to have at least one B allele.
 
        
             
        
        
        
Trees would help make a forest. Tall grass would help make a meadow. Hope this helps!
        
             
        
        
        
Depends upon the temperature of neighboring elements
<u>Explanation:</u>
- The equations of heat flow in solids does not depend on which way flows up. 
- The direction of heat flow in a small element within a solid  depends on the temperature of its neighboring elements. 
- It is due to the fact that only neighboring element can decide that heat can pass from the system or into the system.
- Heat normally flows from hot substance to cold substance.
 
        
             
        
        
        
nuclear envelope contains a double membrane in order to protect the nucleus.