Test your basic knowledge |

GRE Molecular Biology

Subjects : gre, science, biology
Instructions:
  • Answer 40 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is Conjugation?






2. What is genetic anticipation?






3. What are characteristics of autosomal dominant traits?






4. What are characteristics of X-linked recessive traits?






5. Define genotype






6. What are characteristics of autosomal recessive traits?






7. What does it mean to be a diploid organism?






8. Recessive alleles when transcribed produce ___________ that cannot preform their given function






9. What are the parts of a lac operon? What is its function?






10. What is a homozygous organism?






11. In Bacteria - in what region of the cell is the DNA found?






12. What is an Operon?






13. Describe the lac operon model






14. What is a heterozygous organism?






15. Define phenotype






16. Who is Thomas Hunt Morgan






17. What is the Operon model?






18. What are plasmids?






19. Define Penetrance






20. Define Allele






21. Males cannot be carriers of sex linked traits






22. What does the Law of Independent Assortment state?






23. Describe how incomplete dominance occurs and what is it.






24. What is Transduction?






25. When does Codominance occur?






26. What is the process of Transformation?

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27. What 3 ways do bacteria recombine genes and shuffle their gene pools from generation to generation in the absence of sexual reproduction?






28. Dominant trait






29. When does Epistasis occur?






30. Define Repressor Enzymes






31. What is Mitochondrial (maternal) Inheritance?

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32. What is Genomic Imprinting?






33. Dominance has nothing to do with __________. Dominant alleles are not more common in populations than recessive alleles. Dominance is not an allele that overpowers a recessive allele.






34. What is the Triplet Repeat Extension? What diseases are caused by this?






35. Genomic Imprinting is also known by what other name?






36. What does the Law of Segregation state?






37. What are R-Plasmids?






38. What are characteristics of X-Linked dominant traits?

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39. What is a Polygene?






40. Define Inducible enzymes