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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. Differences in appearances between the sexes






2. The idea that characteristics can enhance an organisms survival






3. Sometimes different species share common ancestors






4. Related organisms have similar development plans






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






6. Form of reproduction more used because it creates Variation






7. Humans selecting certain traits in domestic organisms






8. Results in a genetically identical inidvidual






9. Mate choice; one sex chooses their mate






10. 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






11. Selects for the extremes and against the middle






12. 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






13. A widely accepted idea with lots of evidence






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






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






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






17. A subset of a population colonizes a new area






18. 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






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






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






21. 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






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






23. 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






24. Capable of asexual reproduction; most are not






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






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






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

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28. Change in alleles due to random chance






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






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






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






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






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






34. 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






35. Sexual partners chosen based on some characteristics






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






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






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






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






40. Cells that can turn into other cells






41. The organism with the most advantageous traits will survive






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






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






44. Way more offspring are produced than by sexual reproduction






45. 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






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






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






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






49. 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






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







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