Using a compound microscope, jorge is able to see a single celled organism that is moving rapidly in the field of view. he can just make out one, long, whip-like structure that is undulating back and forth. jorge has just identified: select one: a. cilia b. spindle fibers c. a flagellum d. chromosomes

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)