Instructions: The following problems have multiple choice answers. Correct answers are reinforced with a brief explanation. Incorrect answers are linked to tutorials to help solve the problem.

1. Crossing a white-eyed female and red-eyed male fly
2. Test cross of a red-eyed female fly
3. Predicting the offspring of a homozygous red-eyed female fly
4. Predicting genotype when phenotype is known
5. Another white-eyed female x red-eyed male fly cross
6. Hemophilia in humans
7. Red-green color blindness in humans
8. Tracing the inheritance of the human Y chromosome
9. Tracing the inheritance of the human X chromosome
10. Offspring of human females who are carriers for X-linked traits