Answer:
I think it explains that the DNA molecules are double helix with alenine and thymine paired together
 
        
             
        
        
        
Answer:12
Explanation:its the only one under 18
 
        
             
        
        
        
They would not break and they would come to earth and crush people
 
        
             
        
        
        
.It is possible that Kalani is the father of Marcus but he can not be the father of Kevin.
<h3>What is genotype?</h3>
Genotype has to do with the total number of genes that an offspring recieves from its parents. We are told that the parents here are Kalani (blood type AB) and Winnie (blood type B).
If this is the case, it is impossible to explain the fact that Kevin has blood group O.It is possible that Kalani is the father of Marcus but he can not be the father of Kevin.
Learn more about genotype: brainly.com/question/12116830?