Predict how each mutation would affect the amount of dna in Calixs a cells

they float because they are less dense than the water itself

something denser than water, like a rock, will sink to the bottom

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)

human-caused climate hope this