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Basics of Human Genetics Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Which of the following genetic techniques are used in human genetics?

Question 2 2. Why does the island of Madagascar have a unique population?

Question 3 3. Jake has hemophilia B. He marries Melissa who is not a hemophiliac and is not a carrier. What are the odds of being a hemophiliac for each of their children?

Question 4 4. A woman with which disorder is likely to be taller than average?

Question 5 5. Gametes fuse together during _____.

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Question 6 6. Hereditary Breast and Ovarian Cancer Syndrome (HBOC) _____.

Question 7 7. Which of the following statements about X-inactivation is FALSE?

Question 8 8. The inheritance pattern for Tay-Sachs Disease is:

Question 9 9. Which syndrome involves having two or more X chromosomes and one Y chromosome?

Question 10 10. Why is prenatal genetic testing ordered for patients?

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Question 11 11. If an HTT allele contains 32 CAG repeats and produces a normally functioning protein, how is it that a child of the person who has this allele can develop Huntington's Disease even though neither of the parents had Huntington's Disease?

Question 12 12. Which of the following is NOT a cause of heart arrhythmia?

Question 13 13. A person who has one functional copy of the HEXA gene and one Tay-Sachs allele should have about what percentage of beta-hexosaminidase A enzyme compared to what is found in most individuals in the human population?

Question 14 14. A criss-cross inheritance pattern is seen in what type of genetic inheritance?

Question 15 15. What is a syndrome?

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Question 16 16. A couple has three children: a 14-year-old daughter and two sons, ages 10 and 12. If the mother and daughter are both known to have a genetic disorder, what would the pedigree of this family look like?

Question 17 17. Why is retinoblastoma protein important?

Question 18 18. A geneticist is studying a genetic condition. They determine that the causative gene for this particular condition is located on human chromosome 2. What can we conclude about the condition? Why?

Question 19 19. If an allele were completely removed from a population, then what would be the effect on the population's genetic diversity?

Question 20 20. Why do hemophilia A and B mostly affect males?

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Question 21 21. When cells have too many or too few sex chromosomes, it is called a sex chromosome _____.

Question 22 22. Which of the following is true regarding gametes?

Question 23 23. Li-Fraumeni syndrome arises from a mutation in _____.

Question 24 24. Sex determination typically leads to the development of which of the following?

Question 25 25. John has been diagnosed with Tay-Sachs Disease. As his doctor, what would you recommend for the most effective treatment plan?

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Question 26 26. Why do boys with Klinefelter syndrome produce less testosterone?

Question 27 27. What is genetic testing?

Question 28 28. What amino acid does the CAG codon code for?

Question 29 29. What do all forms of heart disease have in common?

Question 30 30. What is haplosufficiency?

Basics of Human Genetics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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