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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. One extreme is selected over the other






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






3. 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






4. Results in a genetically identical inidvidual






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






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






7. 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






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






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






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






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






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






13. Differences in appearances between the sexes






14. Related organisms have similar development plans






15. Selects for the middle and against the extremes






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

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17. The organism with the most advantageous traits will survive






18. Sexual partners chosen based on some characteristics






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






20. Selects for the extremes and against the middle






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






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






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






24. Mate choice; one sex chooses their mate






25. The change in a populations genetics






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






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






28. A widely accepted idea with lots of evidence






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






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






31. The idea that characteristics can enhance an organisms survival






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






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






35. 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






36. Way more offspring are produced than by sexual reproduction






37. 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






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






39. 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






40. Direct competition for mates with the same sex






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






42. A subset of a population colonizes a new area






43. 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






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






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






46. Sometimes different species share common ancestors






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






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






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






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







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