Differentiated plant cells and tissues include

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)

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )