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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. 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






2. Results in a genetically identical inidvidual






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






4. Sexual partners chosen based on some characteristics






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






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






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






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. Change in alleles due to random chance






10. Selects for the extremes and against the middle






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






12. A subset of a population colonizes a new area






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






14. Direct competition for mates with the same sex






15. 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






16. Related organisms have similar development plans






17. Capable of asexual reproduction; most are not






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






19. Way more offspring are produced than by sexual reproduction






20. Mate choice; one sex chooses their mate






21. One extreme is selected over the other






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






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






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






25. A widely accepted idea with lots of evidence






26. Cells that can turn into other cells






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






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






29. The organism with the most advantageous traits will survive






30. 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






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






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






33. Selects for the middle and against the extremes






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






35. The idea that characteristics can enhance an organisms survival






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






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






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






39. Humans selecting certain traits in domestic organisms






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






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






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






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






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






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






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






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






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






49. 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






50. The change in a populations genetics