Biology 102: Basic Genetics Final Exam

Free Practice Test Instructions:

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

Question 1 1. Which of the following statements is true?

Question 2 2. Why do DNA strands need to be antiparallel?

Question 3 3. A scientist mates a blue population of lizards with a red population of lizards. She observes that one out of ten hybrid offspring survive to adulthood compared to, roughly, eight out of ten blue or red lizards. This is an example of _____.

Question 4 4. Which of the following statements about maternal-effect genes, segmentation genes, and homeotic genes is FALSE?

Question 5 5. Sarah has blonde hair even though both of her parents have brown hair. In old photos she has seen that both her parents' mothers had blonde hair before it went white. Given this information what can you suggest about the dominance of the different hair color genes?

Question 6 6. If a female fly is heterozygous for a deleterious mutation in a maternal-effect gene, then what percentage of her eggs will have the wrong maternal-effect genes?

Question 7 7. A heritability of 0 means which of the following?

Question 8 8. Which part(s) of a gene produces a protein product?

Question 9 9. Which of the following is NOT a reason why flies are considered good model organisms?

Question 10 10. What kind of mutation causes sickle-cell anemia?

Question 11 11. How many copies of the mHTT allele does it take to cause Huntington's Disease?

Question 12 12.

If gene A is located on chromosome 1 and gene B is located on chromosome 2, which of the following genotypic frequencies could be produced among the progeny of the following cross: AABb x aaBb

I. 25% AaBB, 50% AaBb and 25% Aabb

II. 75% AaBB

III. 25% bb

Question 13 13. Which of the following scientists are credited with discovering the structure of DNA?

Question 14 14. During translation protein X, the codon UAA is found on the mRNA. This codon codes for _____.

Question 15 15. Which of the following does NOT control the development of the anterior-posterior axis in fruit flies?

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Biology 102: Basic Genetics Final Free Practice Test Instructions

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

Biology 102: Basic Genetics  /  Science Courses
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