Ineed

not biology its science!

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 it is d i hope it

thats not even an aswer choice

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.