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ScienceSaurus Student Handbook Grades 6-8: Genes & Heredity 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 are the complimentary base pairs in DNA?

Question 2 2. In pea plants, having smooth pods is dominant to having wrinkled ones. What would be an explanation for wrinkled pods showing up if both parents were smooth?

Question 3 3. By mapping the human genome, we are now able to better understand ________.

Question 4 4. If a trait is 80% heritable, then what is the chance that both twins within a MZ pair have the trait?

Question 5 5. The _____ is the top of the carpel and is sticky so that it can collect _____ from small animals.

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Question 6 6. How big is the human genome?

Question 7 7. If MZ and DZ twins have the same likelihood of sharing a trait within the twin pair that genetics does not change, then what is the heritability of this trait?

Question 8 8. DNA stands for which of the following?

Question 9 9. What type of organism has two copies of every gene?

Question 10 10. What might be used to clone DNA instead of bacteria?

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Question 11 11. Select the set of events, in chronological order, as they occur during sexual reproduction in multicellular animals.

Question 12 12. What is the expression of a gene called?

Question 13 13. Select the statement that is TRUE about animal reproduction and development.

Question 14 14. Who invented the method of DNA sequencing that was used to complete the Human Genome Project in the 1990s?

Question 15 15. The Human Genome Project holds the record for what?

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Question 16 16. In eukaryotic organisms, the DNA is stored where?

Question 17 17. How has dye terminator sequencing affected gene sequencing?

Question 18 18. The Human Genome Project was created to map out what?

Question 19 19. Which is NOT a reason that bacteria are often the first choice for cloning DNA?

Question 20 20. What is recombinant DNA made of?

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Question 21 21. Which axis organizes the body from head to tail?

Question 22 22. Genes carry instructions to make _____.

Question 23 23. Genes are small sequences on DNA, which is coiled up super tight to form _____.

Question 24 24. Which of the following describes a zygote?

Question 25 25. Which of the following are characteristics of DNA?

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Question 26 26. The enzyme used to 'paste' together the DNA strands is called

Question 27 27. The trait which is expressed in a heterozygous state is known as

Question 28 28. Which of the following is a product of DNA cloning?

Question 29 29. Consider the following experiment: A scientist determines that the number of dorsal spines of her experimental fish is determined by a single locus. She mates a fish with 1 dorsal spine with a fish of the same species with 2 dorsal spines. The mating produces ten fish, which all have 1 dorsal spine. Which of the following statements does not fit with this result?

Question 30 30. What are the functions of DNA?

ScienceSaurus Student Handbook Grades 6-8: Genes & Heredity 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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