I think it's letter A.litter left on the field after a ball game
 
        
             
        
        
        
Answer:
A) Between nucleotides, the base A will bind to the base G, and the base T will bine to the base C.
Explanation:
bases A and T bind to together, while bases G and C bind together. 
(according to studies)
This is why A is the correct answer. 
Hope it helps!!(Also, please don't forget to add me as brainiest to support me)
 
        
             
        
        
        
Answer:
50%
Explanation:
The pink flower donates the r allele and produces pink flowers in 50% of the offspring.