Test your basic knowledge |

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 organism with the most advantageous traits will survive






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






3. 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






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






5. A subset of a population colonizes a new area






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






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






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






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






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






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. Capable of asexual reproduction; most are not






13. A widely accepted idea with lots of evidence






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






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






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






17. Direct competition for mates with the same sex






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


19. The idea that characteristics can enhance an organisms survival






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






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






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






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






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






25. Sometimes different species share common ancestors






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






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






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






29. Mate choice; one sex chooses their mate






30. Related organisms have similar development plans






31. Form of reproduction more used because it creates Variation






32. Humans selecting certain traits in domestic organisms






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






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






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






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






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






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






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






40. Way more offspring are produced than by sexual reproduction






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






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. Selects for the middle and against the extremes






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






45. Sexual partners chosen based on some characteristics






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






47. 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






48. 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






49. One extreme is selected over the other






50. Results in a genetically identical inidvidual