Many pathogenic bacteria species are becoming resistant to antibiotics. explain how such adaptations can develop through the process of natural selection

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; i believe its echoic memory,it is believed to last three to four seconds; good luck