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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. A widely accepted idea with lots of evidence
Theory
Stabilizing
Natural selection does not make perfect individuals
Charles Darwin
2. Cuts DNA in specific sites; the fragments created are usually predictable
Restriction enzymes
Intersexual selection
Neutral Variation
Sexual selection
3. Humans selecting certain traits in domestic organisms
Mechanisms of Microevolution
Sexual reproduction
Cuvier
Artificial selection(breeding)
4. A process to help separate DNA fragments using an electrical current; helps to compare DNA samples by fragment pattern
Sexual reproduction
Directional selection
Descent with Modification
Gel Electrophoresis
5. Selects for the middle and against the extremes
Stabilizing
Adaptation
Reproductive cloning
Lyell
6. Change in alleles due to random chance
Germinal choice
Charles Darwin
Biogeography
Genetic drift
7. 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
Neutral Variation
Frequency dependent selection
Pluripotent stem cells
Natural selection
8. A group of interbreeding organisms living in the same place at the same time
Gel Electrophoresis
Recombinant DNA technology
Cuvier
Population
9. Came up with the term catastrophism(sudden events that lead to extinction - but not in todays time)
Cuvier
Homology
Recombinant DNA technology
Diploiding
10. Sometimes different species share common ancestors
Most organisms are...
Descent with Modification2
Ericson Method
Genetic drift
11. When a population becomes smaller and a few individuals survive the event
Bottleneck effect
Sexual dimrphism
Modes of Selection
Heterozygote Advantage
12. Change in the DNA sequence of an individual; the only true way to get a new allele; the source of all heritable variation
Reproductive fitness
Reproductive cloning
Frequency dependent selection
Mutation
13. Comparing an unknown sample of DNA to a known sample by using Gel Electrophoresis; used in crime scenes - paternity tests - and remains identification
Pluripotent stem cells
Transitional forms
Natural selection does not make perfect individuals
DNA fingerprinting
14. Mate choice; one sex chooses their mate
'Pharm' animals
Intersexual selection
Gene Therapy
Intrasexual selection
15. Subset of natural selection that increases the likelihood of mating specifically
Sexual selection
Reproductive fitness
DNA fingerprinting
Population
16. 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
Restriction enzymes
Theory
Lamarck
Embryology
17. Came up with the term Uniformitarianism(mechanisms for change in the past still occur today; believed at first there was no evolution
Theraputic cloning
Artificial selection(breeding)
Genetic drift
Lyell
18. Differences in appearances between the sexes
Disruptive selection
Sexual dimrphism
Molecular similarity
Descent with Modification2
19. Capable of asexual reproduction; most are not
Linnaeus
Homology
Gene flow
Most organisms are...
20. Distribution of organisms related to evolution; different organisms play the same roles on different continents; island organisms resemble organisms on nearby mainland
Biogeography
Embryology
Charles Darwin
Microevolution
21. Believed that change was gradual;Gradualism(the mechanisms of the world - then - are the same today)
DNA fingerprinting
Sexual dimrphism
Cuvier
Hutton
22. Can make large quantities of product; infection free; less expensive than a natural source
Theory
Micro - sort
Advantages of Recom. DNA tech
Mate choice/non - random mating
23. The organism with the most advantageous traits will survive
Gene Therapy
Hutton
Natural selection
Natural selection does not make perfect individuals
24. 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
Ericson Method
Linnaeus
Theraputic cloning
Descent with Modification2
25. The change in a populations genetics
Microevolution
Evolution
Biogeography
Pluripotent stem cells
26. Cells that can turn into other cells
Lyell
Stem cells
Pluripotent stem cells
Directional selection
27. 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
Adaptation
Germinal choice
Charles Darwin
Cuvier
28. Directional selection - Disruptive selection - Stabalizing
Intrasexual selection
Modes of Selection
Ericson Method
Heterozygote Advantage
29. Takes the gene from a needed product - puts it into another organism (usually bacteria) and it will make duplicates of the product
Germinal choice
Pluripotent stem cells
Recombinant DNA technology
Restriction enzymes
30. The movement of genes between two populations e.g. migration - immigration
Asexual reproduction
Hutton
Ericson Method
Gene flow
31. Cells that can become any cell in the body; found in the embryo
Natural selection does not make perfect individuals
Totipotent stem cells
Biogeography
Cuvier
32. Number of offspring in the next generation; your contribution to the gene pool
Reproductive fitness
Homology
'Pharm' animals
Gel Electrophoresis
33. Form of reproduction more used because it creates Variation
Embryology
Sexual reproduction
Artificial selection(breeding)
Theory
34. The more common a trait becomes the more likely it will be selected against
Gel Electrophoresis
Mutation
Frequency dependent selection
Intersexual selection
35. The idea that characteristics can enhance an organisms survival
Stem cells
Hardy- Weinberg equilibrium
Mutation
Adaptation
36. A circular piece of DNA in bacteria where the gene is placed in Recom. DNA technology
Frequency dependent selection
plasmid
Evolution
Adaptation
37. Results in a genetically identical inidvidual
Frequency dependent selection
Artificial selection(breeding)
Pluripotent stem cells
Reproductive cloning
38. Selects for the extremes and against the middle
Hutton
Transitional forms
Micro - sort
Disruptive selection
39. Sexual partners chosen based on some characteristics
Mate choice/non - random mating
Natural selection does not make perfect individuals
Diploiding
Restriction enzymes
40. Another method designed to sort female sperm form male sperm; goes by size of sperm; females are bigger than male sperm
Micro - sort
Heterozygote Advantage
Adaptation
Intrasexual selection
41. A subset of a population colonizes a new area
Totipotent stem cells
Founder effect
Gene flow
Gene Therapy
42. One extreme is selected over the other
Reproductive fitness
Historical Context of evolution
Gene flow
Directional selection
43. Direct competition for mates with the same sex
Heterozygote Advantage
Gene flow
Hutton
Intrasexual selection
44. Closely related organisms have more similar DNA sequences and protein structures
Transitional forms
Gel Electrophoresis
Molecular similarity
Linnaeus
45. 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
Theory
Hardy- Weinberg equilibrium
Gene flow
Preimplantation Genetic diagnosis (PGD)
46. Way more offspring are produced than by sexual reproduction
Natural selection does not make perfect individuals
Asexual reproduction
Neutral Variation
Pluripotent stem cells
47. Forms that show how an organisms anatomy change over time
Transitional forms
Asexual reproduction
Descent with Modification2
Lyell
48. Selection fro or against environment; leads to evolution only if variation has genetic components
Founder effect
Evolution
Phenotypic variation
Advantages of Recom. DNA tech
49. Choosing the sperm/egg/embryo that will produce the desired child depending on DNA(genes)
Preimplantation Genetic diagnosis (PGD)
Homology
Germinal choice
Disruptive selection
50. Invented the binomial method(naming of species); also believed that life was fixed
Linnaeus
Cuvier
Directional selection
Microevolution