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. Way more offspring are produced than by sexual reproduction






2. Cells that can turn into other cells






3. 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






4. Humans selecting certain traits in domestic organisms






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






6. The change in a populations genetics






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






8. 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






9. 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






10. 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






11. Differences in appearances between the sexes






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






13. Sometimes different species share common ancestors






14. Capable of asexual reproduction; most are not






15. Sexual partners chosen based on some characteristics






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






17. Direct competition for mates with the same sex






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






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






20. Selects for the middle and against the extremes






21. 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






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






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






24. 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






25. Selects for the extremes and against the middle






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






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






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






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






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






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






32. One extreme is selected over the other






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






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






35. Mate choice; one sex chooses their mate






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






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






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






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






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






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






42. Form of reproduction more used because it creates Variation






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






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






45. The idea that characteristics can enhance an organisms survival






46. Results in a genetically identical inidvidual






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






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






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






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