I attached the pic. NH2 is amine group, COOH is carboxyl group.
 
        
        
        
Answer:
The statement is FALSE.
Explanation:
In genetics, expressivity refers to the amount of variation in a non binary phenotype across individuals, who are carrying a specific genotype. Scientists believed that variable expressivity is controlled by different factors such as environment, genetics and lifestyle choice. An example of expressivity is  a series of blue eye color that has different shades of blue. Thus, expressivity is not about balanced genetic output but varied genetic expression. 
 
        
             
        
        
        
Answer:
The correct answer is A
Explanation:
Eukaryotic cells have a nucleus containing their DNA, whereas prokaryotic cells do not have a nucleus. 
 
        
                    
             
        
        
        
Consists of cranial and spinal nerves carrying impulses to and from the brain and spinal cord