A heterozygous purple flowered plant is crossed with one that is white. What percent of the ofspring are purple? Answer format: XX%

50% of the offspring would be purple

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)