Answer:
The long strands of double-helical DNA wrap around histone proteins. The wrapping goes on and on to achieve the secondary and tertiary level of packing. In the end, the whole thing is highly packed enough to fit inside the nucleus of a single cell. 
Explanation:
 
        
             
        
        
        
Hox genes are also called Homeotic genes.  In which they act as dictators on specific areas of an organism's body on when or where it should be developed. When these genes are overactivated or inactivated it may cause genetic disorders.
        
                    
             
        
        
        
Answer:
What is the function of DNA and RNA
 
        
                    
             
        
        
        
Of human genome codes for protein? 1 percent