Umbilicus or umbilical cord and im not sure about the name of the process!
        
                    
             
        
        
        
Answer:
There are 2 alleles, a recessive allele and a dominant allele. The weaker allele is the recessive allele.
 
        
                    
             
        
        
        
Explanation:
A.They filter waste and extra water from blood so they can create urine, which is removed from the body.
 
        
                    
             
        
        
        
Answer:
Yes it should be approved 
Explanation:
The FDA should give Aquabounty permission to grow and sell transgenic salmon because studies have shown that transgenic salmons which are genetically modified are harmless. This finding has allayed the fears of the people. Permission to grow and sell this type of salmons will make it easier for transportation to other parts of the country because it doesn’t necessarily have to come from the sea. It also ensures there is increased availability of the products all over the country.
 
        
             
        
        
        
An antigen causes the body to make antibodies.