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






2. Results in a genetically identical inidvidual






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






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






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






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






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






8. Cells that can turn into other cells






9. Form of reproduction more used because it creates Variation






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






11. The change in a populations genetics






12. 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






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






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






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






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






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






18. The idea that characteristics can enhance an organisms survival






19. 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






20. Change in alleles due to random chance






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






22. Differences in appearances between the sexes






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






24. Direct competition for mates with the same sex






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






26. 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






27. Capable of asexual reproduction; most are not






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






29. Selects for the middle and against the extremes






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






31. Selects for the extremes and against the middle






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

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






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






35. Sexual partners chosen based on some characteristics






36. A subset of a population colonizes a new area






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






38. A widely accepted idea with lots of evidence






39. One extreme is selected over the other






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






41. 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






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






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






44. Mate choice; one sex chooses their mate






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






46. The organism with the most advantageous traits will survive






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






48. 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






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






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







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