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. 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






2. 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






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






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






5. 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






6. Form of reproduction more used because it creates Variation






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






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






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






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






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






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






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






14. Selects for the extremes and against the middle






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






16. Sexual partners chosen based on some characteristics






17. Mate choice; one sex chooses their mate






18. The idea that characteristics can enhance an organisms survival






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






20. 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






21. Sometimes different species share common ancestors






22. 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






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






24. Directional selection - Disruptive selection - Stabalizing






25. Related organisms have similar development plans






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






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






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






29. Selects for the middle and against the extremes






30. Results in a genetically identical inidvidual






31. Change in alleles due to random chance






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






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






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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


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






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






37. A widely accepted idea with lots of evidence






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






39. Direct competition for mates with the same sex






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






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






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






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






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






45. One extreme is selected over the other






46. Way more offspring are produced than by sexual reproduction






47. Humans selecting certain traits in domestic organisms






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






49. The change in a populations genetics






50. Capable of asexual reproduction; most are not