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Refer to the family pedigree shown here. In generation |, one parent is affected by the gene mutation and one parent isn't. In

generation Il, all three children are affected by the gene mutation. What can you conclude about this gene mutation?

A. This gene mutation is a recessive disorder.

B. All children born in future generations will be affected by this disorder. Not the answer

C. This gene mutation is a dominant disorder.

D. The generation | mother is a carrier of this gene mutation.