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Recombinant Dna Technology

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. Change in alleles due to random chance






2. In related organisms the underlying anatomy is similar even when the function is different






3. Forms that show how an organisms anatomy change over time






4. Can make large quantities of product; infection free; less expensive than a natural source






5. Came up with the term Uniformitarianism(mechanisms for change in the past still occur today; believed at first there was no evolution






6. A group of interbreeding organisms living in the same place at the same time






7. Subset of natural selection that increases the likelihood of mating specifically






8. Pharmaceutical animals; cloned animals used ot produce products for humans

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9. Mate choice; one sex chooses their mate






10. Theory of a stable - nonevolving population in which frequency of alleles do not change; only occurs in large - isolated populations with random mating - and no natural selection or mutations






11. Direct competition for mates with the same sex






12. Form of reproduction more used because it creates Variation






13. The change in a populations genetics






14. An accumulation of genetic charges over a certain amount of time






15. Humans selecting certain traits in domestic organisms






16. Believed that change was gradual;Gradualism(the mechanisms of the world - then - are the same today)






17. Way more offspring are produced than by sexual reproduction






18. Number of offspring in the next generation; your contribution to the gene pool






19. Results in a genetically identical inidvidual






20. Related organisms have similar development plans






21. Traits that are neither advantageous nor disadvantageous; there is no selection






22. Sexual partners chosen based on some characteristics






23. The movement of genes between two populations e.g. migration - immigration






24. Capable of asexual reproduction; most are not






25. The idea that characteristics can enhance an organisms survival






26. Came up with the term catastrophism(sudden events that lead to extinction - but not in todays time)






27. Selection fro or against environment; leads to evolution only if variation has genetic components






28. Cuts DNA in specific sites; the fragments created are usually predictable






29. The organism with the most advantageous traits will survive






30. Mutation - Natural selection - Genetic drift - Bottleneck effect - Founder effect - Gene flow - and Mate choice/non - random mating






31. The more common a trait becomes the more likely it will be selected against






32. Scientific explanation of how life changes over time - science is based off of evidence - science is obtained with observation and testing - science is always open to question






33. A subset of a population colonizes a new area






34. Cells that can turn into other cells






35. A circular piece of DNA in bacteria where the gene is placed in Recom. DNA technology






36. Closely related organisms have more similar DNA sequences and protein structures






37. Directional selection - Disruptive selection - Stabalizing






38. Another method designed to sort female sperm form male sperm; goes by size of sperm; females are bigger than male sperm






39. Taking good genes to replace bad genes; almost never works; has unintended side effects; sometimes just doesn't work; protein becomes degraded - etc






40. First to publish mechanisms for evolution; Had 2 idea: Use and disuse - use it more gets bigger; less it disappears - Inheritance of acquired characteristics - pass on changes to offspring






41. Cells that can become any cell in the body; found in the embryo






42. The process of sperm sorting; separating the male sperm from the female sperm; difference told by swimming speed; boy sperm swim faster than girl sperm; Theory might have flaws in it though - only works 50% of the time






43. Heterozygous chromosomes have an affect on an individuals genetics/alleles






44. Recessive traits persistent to a certain population; recessive alleles hide from selection






45. When a population becomes smaller and a few individuals survive the event






46. Comparing an unknown sample of DNA to a known sample by using Gel Electrophoresis; used in crime scenes - paternity tests - and remains identification






47. All species on earth are fixed; no changes - no new species - no extinction






48. Cells that can become only a few different types of cells; mostly adult stem cells; found in bone marrow - the skin epidermis - etc; can sometimes be turned into Totipotent stem cells






49. A widely accepted idea with lots of evidence






50. Change in the DNA sequence of an individual; the only true way to get a new allele; the source of all heritable variation







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