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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. Results in a genetically identical inidvidual






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






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






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






5. Direct competition for mates with the same sex






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






7. The organism with the most advantageous traits will survive






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






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






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

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






12. The change in a populations genetics






13. Differences in appearances between the sexes






14. Selects for the middle and against the extremes






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






16. 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






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






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






19. Way more offspring are produced than by sexual reproduction






20. Form of reproduction more used because it creates Variation






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






22. 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






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






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






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






26. Change in alleles due to random chance






27. 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






28. Sometimes different species share common ancestors






29. Capable of asexual reproduction; most are not






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






31. 1.edits existing variation by using the material it has(variation that exists in population/ no new traits created by natural selection) 2. Has historical constraints(change in old structures) 3. Adaptations are compromises (good for one thing - bad






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






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






34. The idea that characteristics can enhance an organisms survival






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






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






37. Sexual partners chosen based on some characteristics






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






39. Related organisms have similar development plans






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






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






42. Selects for the extremes and against the middle






43. One extreme is selected over the other






44. Humans selecting certain traits in domestic organisms






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






46. A widely accepted idea with lots of evidence






47. 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






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






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






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