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Genetics Overview 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. A genetic disorder that affects a single gene is categorized as a:

Question 2 2. A group of genetic disorders that combine improper genetic variations in code with environmental factors to produce disease are known as:

Question 3 3. If there is more than one copy of a chromosome, this is most likely a:

Question 4 4. Genes carry instructions to make _____.

Question 5 5. What are genes?

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Question 6 6. Proteins make up many parts of body including our _____.

Question 7 7. If two parents have genotypes BB and bb, what are the possible genotypes of their offspring?

Question 8 8. If an individual has genotype Dd, they are

Question 9 9. ___ is an organism's genetic makeup, while ___ is an organism's physical appearance.

Question 10 10. How do random mutations occur?

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Question 11 11. What is the measure of the degree of difference between traits that are expressed in a population?

Question 12 12. What is artificial selection?

Question 13 13. Which of the following are the complimentary base pairs in DNA?

Question 14 14. Which of the following are characteristics of DNA?

Question 15 15. What are the functions of DNA?

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

Question 17 17. What is the relationship between an individual's genotype and their phenotype?

Question 18 18. Why do we think there must be many genes for eye color?

Question 19 19. In which stage of mitosis do the chromosomes pull apart and move away from the center of the cell?

Question 20 20. Which of the following statements is FALSE regarding mitosis?

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Question 21 21. What is the proper order of the four stages of mitosis?

Question 22 22.

Which of the following are reasons why RNA is generally less stable than DNA?

I. Fewer hydrogen bonds

II. Prevalence of proteins that can degrade RNA

III. Fewer -OH groups in the sugar of RNA

Question 23 23.

Which of the following are ways in which RNA is different than DNA:

I. Single-stranded

II. Ribose

III. Uracil

Question 24 24. Which of the following nitrogenous bases is NOT found in RNA?

Question 25 25. What genetic advantage does sexual reproduction have over asexual reproduction?

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Question 26 26. Which of the following statements about asexual reproduction is NOT true?

Question 27 27.

Which of the following statements about gametes are true?

I. In sexual reproduction, each parent provides genetic material for the formation of either an egg or a sperm cell.

II. Gametes are produced by mitosis.

III. If a sexually reproducing organism is diploid, the gametes are haploid.

Question 28 28. In which step do we see the chromosomes condense and meet up to form homologous pair?

Question 29 29. Even though meiosis is a big event for a cell, most of a cell's life is spent in this phase where it is growing and replicating DNA.

Question 30 30. What is the order of steps for Meiosis I?

Genetics Overview 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!

7th Grade Science: Life Science  /  Science Courses
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