For problems 5-10, use the following information. Many members of the Fugate fam
ID: 68167 • Letter: F
Question
For problems 5-10, use the following information. Many members of the Fugate family in Kentucky are blue -- the color of their skin not the content of their mood. Blue skin is caused by a mutation in the CYB5R3 gene, with CYB5R3D representing the dominant allele and CYB5R3r representing the recessive allele. The Fugate family is of European origin, and parents of blue children usually have white skin color. (see: Trost, C. 1982. The Blue People of Troublesome Creek. Science 82: 35-39.)
5. Based on this information, blue skin is inherited as a:
No answer text provided.
6. What is the genotype of a blue person?
CYB5R3r / CYB5R3r
7. What is the genotype of a white skinned mother of a blue child?
8. What is the gamete distribution of a white skinned father of a blue child?
Dominant alleleExplanation / Answer
It is given that parents of blue children usually have white trait.
Thus, blue should be recessive.
Also, parents should be heterozygous , so that there is a possibility of child being homozygous recessive (blue).
Thus correct choices should be :
5. Recessive allele.
6. CYB5R3r / CYB5R3r (genotype of blue person).
7. CYB5R3D / CYB5R3r (genotype of white skinned mother).
8. 50% CYB5R3D , 50% CYB5R3r (gamete distribution).
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