Most home energy use goes toward . A]washing clothes and cooking
B]heating and cooking
C]hot water and appliances
D]heating and hot water

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)