The allele symbols on the outside of the punnett square represent the alleles in the gametes . Because when we done cross we got the gametes only . Example AABB  X aabb , then we got the gametes  AB and ab .  This represent  AB and ab are the alles of the gamete only . A allele is the alternative form of gene , if one is dominant other one is recessive.
 
        
             
        
        
        
Answer:
Plaster cast is made up from dry muslin containing starch or dextrose and calcium sulfate.
Explanation:
It is applied to protect and  is immobilize an injured bone or joint because it provides rigidity.
It is also used to help the bone and joint from reduce pain that is created during movement.
When plaster becomes wet,it reacts (Between water and calcium sulfate) and produces heat that eventually sets the plaster.It becomes hard when it dries.
The color of plaster casts are smooth and white.
 
        
             
        
        
        
Sunlight, water, carbon dioxide, and chlorophyll  :)
        
             
        
        
        
Answer: To obtain superior innovation
Explanation:
The company in other to be perceived above and to be preferred above their rivals, they are to create an innovation that is higher in quality and superiority to other game systems in other organisations