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






2. Sometimes different species share common ancestors






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

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






5. Results in a genetically identical inidvidual






6. Selects for the extremes and against the middle






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






8. A widely accepted idea with lots of evidence






9. Selects for the middle and against the extremes






10. 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






11. Differences in appearances between the sexes






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






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






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






15. Sexual partners chosen based on some characteristics






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






17. The organism with the most advantageous traits will survive






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






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






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






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






22. Capable of asexual reproduction; most are not






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






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






25. 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






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






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






28. Directional selection - Disruptive selection - Stabalizing






29. Direct competition for mates with the same sex






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






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






32. 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






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






34. 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






35. One extreme is selected over the other






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






37. Mate choice; one sex chooses their mate






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






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






40. Humans selecting certain traits in domestic organisms






41. A subset of a population colonizes a new area






42. The change in a populations genetics






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






44. Cells that can turn into other cells






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






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






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






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






49. Related organisms have similar development plans






50. 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







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