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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. Cells that can turn into other cells






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






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






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






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






6. 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






7. 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






8. Form of reproduction more used because it creates Variation






9. Results in a genetically identical inidvidual






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






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






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






13. Related organisms have similar development plans






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






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






16. Change in alleles due to random chance






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






18. One extreme is selected over the other






19. Directional selection - Disruptive selection - Stabalizing






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






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






22. 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






23. Invented the binomial method(naming of species); also believed that life was fixed






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






25. Capable of asexual reproduction; most are not






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






27. Direct competition for mates with the same sex






28. The screening of embryos for genetic disorders; done in In Vitro fertilization(fertilization in a petri dish); PGD removes one cell from the embryo and screens it genetically; embryos with disorders are discarded - ones without are kept and implanted






29. 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






30. Way more offspring are produced than by sexual reproduction






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






32. Selects for the middle and against the extremes






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






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






35. Distribution of organisms related to evolution; different organisms play the same roles on different continents; island organisms resemble organisms on nearby mainland






36. 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






37. Mate choice; one sex chooses their mate






38. A subset of a population colonizes a new area






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






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






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






42. The change in a populations genetics






43. 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






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






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






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






47. The idea that characteristics can enhance an organisms survival






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






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






50. Selects for the extremes and against the middle