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






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






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






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






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






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






7. The organism with the most advantageous traits will survive






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






9. 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






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






11. 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






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






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






14. A subset of a population colonizes a new area






15. A widely accepted idea with lots of evidence






16. 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






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






18. Way more offspring are produced than by sexual reproduction






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






20. Form of reproduction more used because it creates Variation






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






22. Results in a genetically identical inidvidual






23. 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






24. Sometimes different species share common ancestors






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






26. Capable of asexual reproduction; most are not






27. 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






28. One extreme is selected over the other






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






30. 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






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






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






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






34. Selects for the middle and against the extremes






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






36. Sexual partners chosen based on some characteristics






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






38. Related organisms have similar development plans






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






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






41. Differences in appearances between the sexes






42. 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






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






44. The idea that characteristics can enhance an organisms survival






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

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






47. Selects for the extremes and against the middle






48. Cells that can turn into other cells






49. Direct competition for mates with the same sex






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