Why did Sylvia Earle win the Ted prize

Earle speaks of our oceans with wonder and amazement, and calls them “the blue heart of the planet.” The winner of the 2009 TED Prize, she wished to ignite public support for marine protected areas, so that they cover 20% of the world's oceans by 2020.

Explanation:

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)

c is the correct answer hope this !