Please rephrase the question, it doesn't make sense.
Valence electrons are the electron on the outer energy level and they are important because they tell if that element is compatable
Answer: i think its B or C
This isn't always the case and there is no reason it should be .Whether or not a trait is common has to do with how many copies of that gene version (or allele) are in the population. It has little or nothing to do with whether the trait is dominant or recessive. Let's take eye color as an example.
