Red-green color blindness in humans is an X-linked recessive trait. What will the progeny ratios be if a carrier female is mated with a normal male?
A) All the sons will be color blind; all the daughters will be normal.
B) All the sons and half the daughters will be color blind.
C) Half the sons will be color blind; all the daughters will be carriers.
D) Half the sons will be color blind; half the daughters will be carriers.
E) All the sons and all the daughters will be normal.
D
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