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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 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






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






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






4. Selects for the middle and against the extremes






5. Humans selecting certain traits in domestic organisms






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






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






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

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






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






11. The organism with the most advantageous traits will survive






12. Way more offspring are produced than by sexual reproduction






13. 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






14. 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






15. Sometimes different species share common ancestors






16. Related organisms have similar development plans






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






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






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






20. Results in a genetically identical inidvidual






21. A subset of a population colonizes a new area






22. 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






23. One extreme is selected over the other






24. Form of reproduction more used because it creates Variation






25. Selects for the extremes and against the middle






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






27. 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






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






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






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






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






32. Change in alleles due to random chance






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






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






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






36. The idea that characteristics can enhance an organisms survival






37. Capable of asexual reproduction; most are not






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






39. A widely accepted idea with lots of evidence






40. The change in a populations genetics






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






42. Direct competition for mates with the same sex






43. Sexual partners chosen based on some characteristics






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






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






46. Cells that can turn into other cells






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






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. 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






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