0% because if straight hairline is recessive that means it would need 2. Since, Widows peak seems to be dominant, then there would need to be at least 1 dominant. But, there are both people that have recessive traits.
        
             
        
        
        
Part A: B
Part B: C
Hope this helps!
        
             
        
        
        
 Acidophiles is the correct
 
        
             
        
        
        
Answer:
the difference between polypetalous and gamopetalous, is that polypetalous is (botany) having a corolla composed of distinct, separable petals while gamopetalous is (botany) having petals wholly or partially fused such that the corolla takes the form of a tube.Explanation: