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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. When a population becomes smaller and a few individuals survive the event
Homology
Mutation
Molecular similarity
Bottleneck effect
2. 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
Embryology
Lamarck
Founder effect
Sexual dimrphism
3. All species on earth are fixed; no changes - no new species - no extinction
Population
Advantages of Recom. DNA tech
Historical Context of evolution
'Pharm' animals
4. Humans selecting certain traits in domestic organisms
Descent with Modification2
Biogeography
Descent with Modification
Artificial selection(breeding)
5. Change in the DNA sequence of an individual; the only true way to get a new allele; the source of all heritable variation
Stabilizing
Natural selection
Mutation
Microevolution
6. Mutation - Natural selection - Genetic drift - Bottleneck effect - Founder effect - Gene flow - and Mate choice/non - random mating
Linnaeus
Lamarck
Mate choice/non - random mating
Mechanisms of Microevolution
7. Direct competition for mates with the same sex
Population
Intrasexual selection
Preimplantation Genetic diagnosis (PGD)
Lyell
8. Choosing the sperm/egg/embryo that will produce the desired child depending on DNA(genes)
Descent with Modification2
Founder effect
Germinal choice
Mechanisms of Microevolution
9. Way more offspring are produced than by sexual reproduction
Stabilizing
Evolution
Most organisms are...
Asexual reproduction
10. 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
Hardy- Weinberg equilibrium
Lyell
Charles Darwin
Frequency dependent selection
11. Pharmaceutical animals; cloned animals used ot produce products for humans
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12. Came up with the term catastrophism(sudden events that lead to extinction - but not in todays time)
Gel Electrophoresis
Totipotent stem cells
Phenotypic variation
Cuvier
13. Subset of natural selection that increases the likelihood of mating specifically
Sexual selection
Heterozygote Advantage
Gene Therapy
Artificial selection(breeding)
14. Selects for the middle and against the extremes
Restriction enzymes
Stabilizing
Theraputic cloning
Artificial selection(breeding)
15. The movement of genes between two populations e.g. migration - immigration
Phenotypic variation
Founder effect
Frequency dependent selection
Gene flow
16. A circular piece of DNA in bacteria where the gene is placed in Recom. DNA technology
Sexual selection
Disruptive selection
plasmid
Mate choice/non - random mating
17. A subset of a population colonizes a new area
Descent with Modification2
Founder effect
Sexual reproduction
DNA fingerprinting
18. Cuts DNA in specific sites; the fragments created are usually predictable
Restriction enzymes
Ericson Method
Modes of Selection
Historical Context of evolution
19. One extreme is selected over the other
Directional selection
Adaptation
Recombinant DNA technology
Sexual selection
20. Change in alleles due to random chance
Directional selection
Artificial selection(breeding)
Homology
Genetic drift
21. Sometimes different species share common ancestors
Descent with Modification2
Theory
Natural selection
Neutral Variation
22. The more common a trait becomes the more likely it will be selected against
Directional selection
Frequency dependent selection
Evolution
Mate choice/non - random mating
23. The change in a populations genetics
Lamarck
Microevolution
Advantages of Recom. DNA tech
Linnaeus
24. Number of offspring in the next generation; your contribution to the gene pool
Intrasexual selection
Charles Darwin
Pluripotent stem cells
Reproductive fitness
25. Mate choice; one sex chooses their mate
Germinal choice
Intersexual selection
Restriction enzymes
Hutton
26. Results in a tissue or an organ that is identical to the DNA donor
Advantages of Recom. DNA tech
Adaptation
Cuvier
Theraputic cloning
27. Traits that are neither advantageous nor disadvantageous; there is no selection
'Pharm' animals
Cuvier
Transitional forms
Neutral Variation
28. Sexual partners chosen based on some characteristics
Embryology
Reproductive cloning
Mate choice/non - random mating
Diploiding
29. 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
Mate choice/non - random mating
Lyell
Historical Context of evolution
Ericson Method
30. 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
Restriction enzymes
Mutation
Evolution
Directional selection
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
Descent with Modification
Adaptation
Homology
Natural selection does not make perfect individuals
32. Another method designed to sort female sperm form male sperm; goes by size of sperm; females are bigger than male sperm
Microevolution
Advantages of Recom. DNA tech
Micro - sort
Artificial selection(breeding)
33. Directional selection - Disruptive selection - Stabalizing
Modes of Selection
plasmid
Recombinant DNA technology
Transitional forms
34. A process to help separate DNA fragments using an electrical current; helps to compare DNA samples by fragment pattern
Natural selection
Gel Electrophoresis
Mutation
Bottleneck effect
35. 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
Mechanisms of Microevolution
Evolution
Mutation
Pluripotent stem cells
36. Selection fro or against environment; leads to evolution only if variation has genetic components
Recombinant DNA technology
Evolution
Phenotypic variation
Pluripotent stem cells
37. Can make large quantities of product; infection free; less expensive than a natural source
Natural selection
Transitional forms
Advantages of Recom. DNA tech
Neutral Variation
38. 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
Historical Context of evolution
Gene Therapy
Descent with Modification
Preimplantation Genetic diagnosis (PGD)
39. The idea that characteristics can enhance an organisms survival
Neutral Variation
Modes of Selection
Lamarck
Adaptation
40. The organism with the most advantageous traits will survive
Heterozygote Advantage
Diploiding
Natural selection
Descent with Modification2
41. In related organisms the underlying anatomy is similar even when the function is different
Totipotent stem cells
Homology
Embryology
Restriction enzymes
42. Results in a genetically identical inidvidual
Germinal choice
Ericson Method
Micro - sort
Reproductive cloning
43. Cells that can become any cell in the body; found in the embryo
Totipotent stem cells
Sexual dimrphism
Natural selection
Biogeography
44. Capable of asexual reproduction; most are not
Adaptation
Most organisms are...
Transitional forms
Neutral Variation
45. Invented the binomial method(naming of species); also believed that life was fixed
Linnaeus
Molecular similarity
Theory
Stem cells
46. 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
Descent with Modification2
Advantages of Recom. DNA tech
Biogeography
Hardy- Weinberg equilibrium
47. Recessive traits persistent to a certain population; recessive alleles hide from selection
Preimplantation Genetic diagnosis (PGD)
Embryology
Intersexual selection
Diploiding
48. Closely related organisms have more similar DNA sequences and protein structures
Molecular similarity
plasmid
Advantages of Recom. DNA tech
Recombinant DNA technology
49. Came up with the term Uniformitarianism(mechanisms for change in the past still occur today; believed at first there was no evolution
Biogeography
Gene flow
Lyell
Founder effect
50. Differences in appearances between the sexes
Sexual dimrphism
Historical Context of evolution
Gene Therapy
Stem cells