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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. Selects for the extremes and against the middle






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






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






4. 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






5. 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






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






7. Change in alleles due to random chance






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






9. 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






10. Direct competition for mates with the same sex






11. 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






12. The change in a populations genetics






13. Differences in appearances between the sexes






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






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






16. Mate choice; one sex chooses their mate






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






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






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






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






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






22. Directional selection - Disruptive selection - Stabalizing






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






24. Form of reproduction more used because it creates Variation






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






26. 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






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






28. 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






29. A widely accepted idea with lots of evidence






30. The organism with the most advantageous traits will survive






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






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






33. Results in a genetically identical inidvidual






34. Sometimes different species share common ancestors






35. Sexual partners chosen based on some characteristics






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






37. The idea that characteristics can enhance an organisms survival






38. A subset of a population colonizes a new area






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






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






41. Selects for the middle and against the extremes






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






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






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






45. Capable of asexual reproduction; most are not






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






47. Cells that can turn into other cells






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

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






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