Distinguish the characteristics of three types of rocks are essential for soil formation

hlo hi good afternoon good afternoon

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)

i have to report this, it doesn't relate to biology