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Recombinant Dna Technology

Instructions:
  • Answer 50 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. Selects for the middle and against the extremes






2. 1.edits existing variation by using the material it has(variation that exists in population/ no new traits created by natural selection) 2. Has historical constraints(change in old structures) 3. Adaptations are compromises (good for one thing - bad






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






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






5. A widely accepted idea with lots of evidence






6. Direct competition for mates with the same sex






7. 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






8. Mate choice; one sex chooses their mate






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






10. A process to help separate DNA fragments using an electrical current; helps to compare DNA samples by fragment pattern






11. Set sail on the HMS Beagle to travel the islands and areas for signs of evolution; First book written in 1839 'voyage of the Beagle'; Second book published in 1859 'The Origin of Species by means of Natural Selection






12. Sexual partners chosen based on some characteristics






13. Related organisms have similar development plans






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






15. The idea that characteristics can enhance an organisms survival






16. Directional selection - Disruptive selection - Stabalizing






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






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






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

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






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






22. Way more offspring are produced than by sexual reproduction






23. 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






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






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






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






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






28. Capable of asexual reproduction; most are not






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






30. Humans selecting certain traits in domestic organisms






31. A subset of a population colonizes a new area






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






33. Takes the gene from a needed product - puts it into another organism (usually bacteria) and it will make duplicates of the product






34. 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






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






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






37. Form of reproduction more used because it creates Variation






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






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






40. Sometimes different species share common ancestors






41. Choosing the sperm/egg/embryo that will produce the desired child depending on DNA(genes)






42. Cells that can turn into other cells






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






44. Selects for the extremes and against the middle






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






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






47. The organism with the most advantageous traits will survive






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






49. One extreme is selected over the other






50. Results in a tissue or an organ that is identical to the DNA donor