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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. A widely accepted idea with lots of evidence






2. Change in alleles due to random chance






3. Differences in appearances between the sexes






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






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






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






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






8. 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






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






10. The idea that characteristics can enhance an organisms survival






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






12. Related organisms have similar development plans






13. 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






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. A subset of a population colonizes a new area






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






17. 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






18. Directional selection - Disruptive selection - Stabalizing






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. Sexual partners chosen based on some characteristics






21. Form of reproduction more used because it creates Variation






22. One extreme is selected over the other






23. Direct competition for mates with the same sex






24. Way more offspring are produced than by sexual reproduction






25. 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






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






28. Results in a genetically identical inidvidual






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






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






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






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






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






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






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






36. The organism with the most advantageous traits will survive






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






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






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






40. 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






41. Cells that can turn into other cells






42. Mate choice; one sex chooses their mate






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






44. Selects for the middle and against the extremes






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






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






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






48. Humans selecting certain traits in domestic organisms






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






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