Red-green colorblindness in humans is a sex-linked trait. if a woman with normal vision, whose father was colorblind, married a man whose mother was colorblind, what would be the probability of their first child being a colorblind girl?
(a) 0 percent
(b) 12.5 percent
(c) 25 percent
(d) 50 percent
(e) 100 percent

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.