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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. Direct competition for mates with the same sex






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






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






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






5. Sometimes different species share common ancestors






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






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






8. A widely accepted idea with lots of evidence






9. Humans selecting certain traits in domestic organisms






10. Way more offspring are produced than by sexual reproduction






11. The organism with the most advantageous traits will survive






12. Sexual partners chosen based on some characteristics






13. Differences in appearances between the sexes






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






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






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






17. Mate choice; one sex chooses their mate






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






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






20. 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






21. Change in alleles due to random chance






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






23. A subset of a population colonizes a new area






24. Capable of asexual reproduction; most are not






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






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






27. 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






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






29. 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






30. Results in a genetically identical inidvidual






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






33. Cells that can turn into other cells






34. 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






35. 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






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






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






38. 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






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






40. Selects for the middle and against the extremes






41. The change in a populations genetics






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






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






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






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






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






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






48. Related organisms have similar development plans






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






50. 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