A is the answer
 hope this helps
        
                    
             
        
        
        
When new information leads to new and different conclusions, it is important to be able to adapt to the most up-to-date conclusions. If conclusions are rigid and fixed regardless of any new information that may come to light, then they are not truly based on the facts under discussion.
        
             
        
        
        
The first allele is dominant and the second allele is recessive. For genes on an autosome (any chromosome other than a sex chromosome), the alleles and their associated traits are autosomal dominant or autosomal recessive. Dominance is a key concept in Mendelian inheritance and classical genetics.
 
        
             
        
        
        
No, because it is still the same rock, and the rock would eventually erode into nothing.