How does earthquake bring about change in the topography of the earth

Earthquake cause a massive impact like cracking the grounds and creating a big change in the map and the world

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)