Genotypes & Phenotypes 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!

Page 1

Question 1 1. Which of the following best defines a trait controlled by multiple genes?

Question 2 2. Which term best describes a physical characteristic?

Question 3 3. Which is NOT an example of a polygenic trait in humans?

Question 4 4. What is an allele?

Question 5 5. A segment of DNA that codes for a trait is called a _____.

Page 2

Question 6 6. What is the function of the gene linked to the ability to digest milk?

Question 7 7. In the Punnett Square below, the possible genotypes of the offspring are shown inside the box/ grid, what are these?

Question 8 8. Which of these statements is true about genes?

Question 9 9. The following image shows the possible outcomes of two brown-eyed parents having children in terms of eye color. Which of the statements describes the genotypes of the parents?

Question 10 10. Albinism (a condition in which a person has a faulty gene for melanin production), comes about from a homozygous recessive genotype. Using A and a to represent the alleles for melanin production, which is/ are the possible genotype/s for an albino person?

Page 3

Question 11 11. Which of the following is an example of a dominant phenotype that works by creating a dysfunctional protein?

Question 12 12. Which of the following describes a dominant phenotype?

Question 13 13. Which of the following scenarios would produce a recessive phenotype?

Question 14 14. Which of the following is an example of a dominant/recessive phenotype pattern?

Question 15 15. Which of the following explains the inheritance of white eyes in fruit flies?

Page 4

Question 16 16. People today are taller than they were a hundred years ago. This seems to be because:

Question 17 17. Why do we think there must be many genes for eye color?

Question 18 18. Which is an example of a phenotype?

Question 19 19. What is the relationship between an individual's genotype and their phenotype?

Question 20 20. Are phenotypes caused by genes or environment?

Page 5

Question 21 21. Which of the following modifications to your genotype changes how genes are expressed?

Question 22 22. Which of the following describes the importance of alleles in determining phenotypes?

Question 23 23. Which of the following modifications to a genotype is a direct cause of cancer?

Question 24 24. Which of the following epigenetic modifications causes a change in how DNA is stored by the cell?

Question 25 25. Which of the following describes the process where one gene acts as a master switch for other genes in a pathway?

Genotypes & Phenotypes 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!

VCE Biology: Exam Prep & Study Guide  /  Science Courses
Support