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. What is genetic testing?

Question 2 2. Sex determination typically leads to the development of which of the following?

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 doctor would like to perform a series of prenatal genetic tests. Which of the following is NOT a prenatal genetic test?

Question 5 5. Which of the following is NOT a cause of heart arrhythmia?

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Question 6 6. Regarding the fertilization of frogs, all of the following are true except

Question 7 7. The progressive loss of cognitive capabilities is called what?

Question 8 8. Why does the island of Madagascar have a unique population?

Question 9 9. Which of the following is NOT an example of phenotypic variability?

Question 10 10. A female carrier of the hemophilia A allele marries a male who is not a hemophiliac. What are the odds of being a hemophiliac for each of their children?

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Question 11 11. Why are alleles the driving force behind a population's evolutionary path?

Question 12 12. In the following pedigree, how many male cousins does the proband have?

Question 13 13. Which of the following statements about tumor suppressor genes is TRUE?

Question 14 14. In a person who inherits one dysfunctional copy of the RB1 gene from one of their parents, how many times does loss of heterozygosity of the RB1 gene have to happen in order to form a tumor?

Question 15 15. What is a syndrome?

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Question 16 16. A disorder characterized by the inheritance of genetic mutations that increase the risk for development, especially early development, of a cancer is called:

Question 17 17. All of the following statements about the triangle symbol are true EXCEPT:

Question 18 18. Gametes fuse together during _____.

Question 19 19. Which parent determines the sex of a child in humans? Why?

Question 20 20. Why is prenatal genetic testing ordered for patients?

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Question 21 21. Which of the following is NOT a reason why genetic testing is important?

Question 22 22. What is the most likely type of inheritance for the genetic condition shown in this pedigree?

Question 23 23. A carcinogen is:

Question 24 24. 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 25 25. The normal function of the beta-hexosaminidase A enzyme exhibits which characteristic?

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Question 26 26. A woman with which disorder is likely to be taller than average?

Question 27 27. Which of the following is TRUE regarding gametes.

Question 28 28. The extent to which a trait or condition is expressed is called:

Question 29 29. How does hemophilia A differ from hemophilia B?

Question 30 30. Which of the following is the MOST effective and safest current treatment for hemophiliacs?

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!

Biology 102: Basic Genetics  /  Science Courses
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