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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. The idea that characteristics can enhance an organisms survival






2. 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






3. Differences in appearances between the sexes






4. Selects for the middle and against the extremes






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






6. Selects for the extremes and against the middle






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






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






9. A subset of a population colonizes a new area






10. Form of reproduction more used because it creates Variation






11. Way more offspring are produced than by sexual reproduction






12. A widely accepted idea with lots of evidence






13. Related organisms have similar development plans






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






15. Sexual partners chosen based on some characteristics






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






17. The change in a populations genetics






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






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






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






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






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






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






24. The organism with the most advantageous traits will survive






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






26. Direct competition for mates with the same sex






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






28. Results in a genetically identical inidvidual






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

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






31. 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






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






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






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






35. 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






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






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






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






39. Change in alleles due to random chance






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






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






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






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






44. One extreme is selected over the other






45. 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






46. Sometimes different species share common ancestors






47. 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






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






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






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







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