I believe the answer would be the first option :)
When the blending of traits occurs, it is referred to as the principle of _____.
Answer: Out of all the options presented above the one that best completes and makes the statement shown above true is answer choice C) Incomplete dominance. Therefore when the blending of traits occurs, it is referred to as the principle of incomplete dominance.
I hope it helps, Regards.
The person watching television won't question what the see/hear, and they'll start to believe everything on their TV.
The first revision ("Charlie is taking a dance class because he has to rather than because he enjoys it") is the correct answer :)