In what part of the body does most chemical digestion take place?

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)

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

it is either c or d and i know for sure it is not a or b