Answer:
833
Explanation:
A codon (3 nucleotides) codes for 1 Amino Acid, 2499 divided by 3 = 833. 
 
        
             
        
        
        
I would go with 4 that's what makes the most sense to me, and i just learned about this last year so... I hope this helps good luck..
        
                    
             
        
        
        
Çok sıkıldım ya okul bitti hala ödevmi yapıyosunuz
        
             
        
        
        
Answer:
up to 13 pounds.
Explanation:
Their fine meat quality and egg-laying ability has made them the first choice of American duck growers. They are the easiest domestic ducks to process and prepare for meat production. Male Pekins carry a Fall weight of up to 13 pounds, and the females weigh about 7 pounds.