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Test your basic knowledge |
Recombinant Dna Technology
Start Test
Study First
Subjects
:
health-sciences
,
genetics
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. The change in a populations genetics
Asexual reproduction
Microevolution
Sexual dimrphism
Frequency dependent selection
2. Cells that can become any cell in the body; found in the embryo
Gene Therapy
Recombinant DNA technology
Totipotent stem cells
Phenotypic variation
3. A process to help separate DNA fragments using an electrical current; helps to compare DNA samples by fragment pattern
Gel Electrophoresis
Evolution
Gene Therapy
Microevolution
4. A widely accepted idea with lots of evidence
Gene flow
Adaptation
Theory
Directional selection
5. Change in the DNA sequence of an individual; the only true way to get a new allele; the source of all heritable variation
Stem cells
Bottleneck effect
Embryology
Mutation
6. 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
Microevolution
Gene flow
Stem cells
Natural selection does not make perfect individuals
7. When a population becomes smaller and a few individuals survive the event
Bottleneck effect
Homology
Micro - sort
DNA fingerprinting
8. Mutation - Natural selection - Genetic drift - Bottleneck effect - Founder effect - Gene flow - and Mate choice/non - random mating
Descent with Modification
Historical Context of evolution
Lamarck
Mechanisms of Microevolution
9. An accumulation of genetic charges over a certain amount of time
Natural selection does not make perfect individuals
Descent with Modification
Embryology
Advantages of Recom. DNA tech
10. In related organisms the underlying anatomy is similar even when the function is different
Founder effect
Homology
Genetic drift
Bottleneck effect
11. Distribution of organisms related to evolution; different organisms play the same roles on different continents; island organisms resemble organisms on nearby mainland
Natural selection does not make perfect individuals
Biogeography
Modes of Selection
Directional selection
12. Sometimes different species share common ancestors
Hutton
Natural selection does not make perfect individuals
Gene flow
Descent with Modification2
13. 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
Embryology
Artificial selection(breeding)
Hardy- Weinberg equilibrium
Preimplantation Genetic diagnosis (PGD)
14. Capable of asexual reproduction; most are not
DNA fingerprinting
Most organisms are...
Reproductive cloning
Restriction enzymes
15. 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
Lyell
Linnaeus
Preimplantation Genetic diagnosis (PGD)
Lamarck
16. 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
Pluripotent stem cells
Stem cells
Advantages of Recom. DNA tech
Mutation
17. Came up with the term Uniformitarianism(mechanisms for change in the past still occur today; believed at first there was no evolution
Totipotent stem cells
Gene flow
Descent with Modification2
Lyell
18. Way more offspring are produced than by sexual reproduction
Ericson Method
Asexual reproduction
Restriction enzymes
Diploiding
19. Change in alleles due to random chance
Genetic drift
Evolution
Most organisms are...
Germinal choice
20. Humans selecting certain traits in domestic organisms
Bottleneck effect
Artificial selection(breeding)
Hardy- Weinberg equilibrium
Sexual reproduction
21. Mate choice; one sex chooses their mate
Advantages of Recom. DNA tech
Gene flow
Intersexual selection
Embryology
22. Cuts DNA in specific sites; the fragments created are usually predictable
plasmid
Homology
Restriction enzymes
Intrasexual selection
23. The more common a trait becomes the more likely it will be selected against
DNA fingerprinting
Mate choice/non - random mating
Frequency dependent selection
Molecular similarity
24. Traits that are neither advantageous nor disadvantageous; there is no selection
Artificial selection(breeding)
Sexual dimrphism
Restriction enzymes
Neutral Variation
25. Takes the gene from a needed product - puts it into another organism (usually bacteria) and it will make duplicates of the product
Artificial selection(breeding)
Stem cells
Lamarck
Recombinant DNA technology
26. The organism with the most advantageous traits will survive
Historical Context of evolution
Natural selection
Embryology
Asexual reproduction
27. One extreme is selected over the other
Restriction enzymes
Sexual dimrphism
Natural selection does not make perfect individuals
Directional selection
28. Comparing an unknown sample of DNA to a known sample by using Gel Electrophoresis; used in crime scenes - paternity tests - and remains identification
DNA fingerprinting
Adaptation
Ericson Method
Historical Context of evolution
29. Recessive traits persistent to a certain population; recessive alleles hide from selection
Germinal choice
Directional selection
Diploiding
Evolution
30. A group of interbreeding organisms living in the same place at the same time
Population
Historical Context of evolution
Embryology
Germinal choice
31. Believed that change was gradual;Gradualism(the mechanisms of the world - then - are the same today)
Most organisms are...
Stem cells
Hutton
Cuvier
32. Directional selection - Disruptive selection - Stabalizing
Descent with Modification
Preimplantation Genetic diagnosis (PGD)
plasmid
Modes of Selection
33. 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
Modes of Selection
Founder effect
Most organisms are...
Ericson Method
34. Can make large quantities of product; infection free; less expensive than a natural source
Bottleneck effect
Directional selection
Recombinant DNA technology
Advantages of Recom. DNA tech
35. Choosing the sperm/egg/embryo that will produce the desired child depending on DNA(genes)
Asexual reproduction
Germinal choice
Advantages of Recom. DNA tech
Charles Darwin
36. Form of reproduction more used because it creates Variation
Bottleneck effect
Germinal choice
Descent with Modification2
Sexual reproduction
37. Another method designed to sort female sperm form male sperm; goes by size of sperm; females are bigger than male sperm
Preimplantation Genetic diagnosis (PGD)
Micro - sort
Gel Electrophoresis
Lamarck
38. Selects for the extremes and against the middle
Disruptive selection
Preimplantation Genetic diagnosis (PGD)
Artificial selection(breeding)
Intrasexual selection
39. Heterozygous chromosomes have an affect on an individuals genetics/alleles
Heterozygote Advantage
'Pharm' animals
Descent with Modification2
Population
40. A subset of a population colonizes a new area
Founder effect
Gene flow
Intersexual selection
Directional selection
41. Cells that can turn into other cells
Preimplantation Genetic diagnosis (PGD)
Stem cells
Mechanisms of Microevolution
Sexual reproduction
42. Results in a tissue or an organ that is identical to the DNA donor
Sexual reproduction
Linnaeus
Neutral Variation
Theraputic cloning
43. Came up with the term catastrophism(sudden events that lead to extinction - but not in todays time)
Cuvier
Linnaeus
Biogeography
Preimplantation Genetic diagnosis (PGD)
44. All species on earth are fixed; no changes - no new species - no extinction
Totipotent stem cells
Hutton
Historical Context of evolution
Founder effect
45. 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
Evolution
Adaptation
Microevolution
Lyell
46. 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
Hutton
Recombinant DNA technology
Charles Darwin
Linnaeus
47. Results in a genetically identical inidvidual
Reproductive cloning
Molecular similarity
Gel Electrophoresis
Stabilizing
48. A circular piece of DNA in bacteria where the gene is placed in Recom. DNA technology
Sexual dimrphism
plasmid
Charles Darwin
Reproductive fitness
49. Direct competition for mates with the same sex
Intrasexual selection
Theory
DNA fingerprinting
Disruptive selection
50. The movement of genes between two populations e.g. migration - immigration
Gene flow
Homology
DNA fingerprinting
Mechanisms of Microevolution
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