Answer:
The frequency of the carriers (heterozygotes) in Massachusetts is 0.018
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
 
        
             
        
        
        
Answer:
Type O
Expresses the B agglutinin
Expresses all the major antibodies
The most common US blood type
The universal donor
Type AB+
Expresses all of the major antigens
Expresses the D antigen
The least common US blood type
The universal acceptor
Expresses the Rh factor
Expresses A agglutinogen
Explanation:
Blood type is a grouping of blood into classes that have the presence or absence of antibodies and or antigens on the red blood cell surfaces
The class of blood determines whether the antigens are glycolipids, carbohydrates, proteins or glycoproteins of Type O
The blood type of a person is an inherited trait from both parental gene. There are various blood grouping system with the ABO and Rh systems being the most important as they determine the suitability of a given blood for transfusion.
 
        
             
        
        
        
Carbohydrates are broken down and they release energy.
        
             
        
        
        
Hormones -- such as melatonin and cortisol; the former signals the body to go to bed, while the latter signals for the sleeping person to wake up -- are created by physiological changes.
        
             
        
        
        
The answer is a because I think so