Red-green color blindness is an X-linked recessive trait in humans. A color-blind woman and a man with normal vision have a son. What is the probability that the son is color blind?

A) 75 percent B) 50 percent C) 25 percent D) 0 percent E) 100 percent


Answer: E

Biology & Microbiology

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Answer the following statements true (T) or false (F)

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Which fruit, A, B, C, or D, is an aggregate fruit?

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During which of these eras were dinosaurs dominant?

A) Mesozoic B) Cenozoic C) Precambrian D) Paleozoic

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