For problems 5-10, use the following information. Many membersof the Fugate family in Kentucky are blue -- the color of theirskin not the content of their mood. Blue skin is caused by amutation in the CYB5R3 gene, with CYB5R3D representing thedominant allele and CYB5R3r representing the recessive allele. TheFugate family is of European origin, and parents of blue childrenusually have white skin color. (see: Trost, C. 1982. The BluePeople of Troublesome Creek. Science 82: 35-39.)

9. If the white skinned parents of a blue child have a secondchild, what are the chances that this second child will beblue?

10. A family in which the mother and father are both whiteskinned have a son with blue skin. If the mother and father alsohave a daughter, what are the chances her genotype isCYB5R3D / CYB5R3D?

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9 Since both parents have white skin color and have a child with blue skin we can deduce that both p... View the full answer