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#Question id: 5323


An X-linked recessive gene produces red-green color blindness in humans. A woman with normal color vision whose father was color-blind marries a color-blind man. What is the probability that their son will be color-blind?

#XL - T Zoology
  1. 0    

  2. 1/4              

  3.  1/2           

  4. 1/3


Answer:- Option(s): 3


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