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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. 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
Natural selection
Bottleneck effect
Neutral Variation
2. Way more offspring are produced than by sexual reproduction
Asexual reproduction
Population
Mutation
Microevolution
3. 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
Disruptive selection
Sexual reproduction
Lamarck
Historical Context of evolution
4. When a population becomes smaller and a few individuals survive the event
Diploiding
Advantages of Recom. DNA tech
Theraputic cloning
Bottleneck effect
5. A circular piece of DNA in bacteria where the gene is placed in Recom. DNA technology
Homology
Mutation
Disruptive selection
plasmid
6. Cells that can become any cell in the body; found in the embryo
Micro - sort
Hutton
Reproductive cloning
Totipotent stem cells
7. Another method designed to sort female sperm form male sperm; goes by size of sperm; females are bigger than male sperm
Lyell
Micro - sort
Reproductive fitness
Totipotent stem cells
8. Selects for the middle and against the extremes
Stabilizing
Neutral Variation
Linnaeus
Ericson Method
9. A process to help separate DNA fragments using an electrical current; helps to compare DNA samples by fragment pattern
Descent with Modification
Reproductive cloning
Gel Electrophoresis
Sexual reproduction
10. Humans selecting certain traits in domestic organisms
Gene flow
Mate choice/non - random mating
Lyell
Artificial selection(breeding)
11. Selection fro or against environment; leads to evolution only if variation has genetic components
Ericson Method
Bottleneck effect
Heterozygote Advantage
Phenotypic variation
12. Pharmaceutical animals; cloned animals used ot produce products for humans
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13. One extreme is selected over the other
Reproductive fitness
Artificial selection(breeding)
Directional selection
Pluripotent stem cells
14. Results in a genetically identical inidvidual
Mechanisms of Microevolution
Mate choice/non - random mating
Asexual reproduction
Reproductive cloning
15. In related organisms the underlying anatomy is similar even when the function is different
Homology
Transitional forms
Founder effect
Diploiding
16. Sometimes different species share common ancestors
Linnaeus
Lyell
Historical Context of evolution
Descent with Modification2
17. Mutation - Natural selection - Genetic drift - Bottleneck effect - Founder effect - Gene flow - and Mate choice/non - random mating
Mechanisms of Microevolution
Restriction enzymes
Lamarck
Mutation
18. Came up with the term catastrophism(sudden events that lead to extinction - but not in todays time)
Modes of Selection
Cuvier
Natural selection
Evolution
19. 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
Advantages of Recom. DNA tech
Sexual reproduction
Sexual dimrphism
Natural selection does not make perfect individuals
20. A subset of a population colonizes a new area
Founder effect
Mutation
Transitional forms
Lyell
21. Recessive traits persistent to a certain population; recessive alleles hide from selection
Diploiding
Disruptive selection
Lamarck
Intersexual selection
22. Selects for the extremes and against the middle
Population
Stabilizing
Disruptive selection
Genetic drift
23. Results in a tissue or an organ that is identical to the DNA donor
Theraputic cloning
Directional selection
DNA fingerprinting
Natural selection
24. The movement of genes between two populations e.g. migration - immigration
Stem cells
Gene flow
Stabilizing
Modes of Selection
25. Subset of natural selection that increases the likelihood of mating specifically
Theory
Stabilizing
Sexual selection
Sexual dimrphism
26. Choosing the sperm/egg/embryo that will produce the desired child depending on DNA(genes)
Sexual reproduction
Population
Germinal choice
Descent with Modification
27. A group of interbreeding organisms living in the same place at the same time
Phenotypic variation
Population
Linnaeus
Historical Context of evolution
28. Invented the binomial method(naming of species); also believed that life was fixed
Most organisms are...
Historical Context of evolution
Linnaeus
'Pharm' animals
29. Came up with the term Uniformitarianism(mechanisms for change in the past still occur today; believed at first there was no evolution
Heterozygote Advantage
Lyell
Cuvier
Theory
30. Can make large quantities of product; infection free; less expensive than a natural source
plasmid
Advantages of Recom. DNA tech
Mate choice/non - random mating
Theraputic cloning
31. Cuts DNA in specific sites; the fragments created are usually predictable
Most organisms are...
Linnaeus
Restriction enzymes
Evolution
32. 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
Charles Darwin
Cuvier
Founder effect
33. Takes the gene from a needed product - puts it into another organism (usually bacteria) and it will make duplicates of the product
Lamarck
Micro - sort
Gene flow
Recombinant DNA technology
34. Closely related organisms have more similar DNA sequences and protein structures
Molecular similarity
Genetic drift
Lyell
Hutton
35. Form of reproduction more used because it creates Variation
Sexual reproduction
Reproductive fitness
Adaptation
Evolution
36. Taking good genes to replace bad genes; almost never works; has unintended side effects; sometimes just doesn't work; protein becomes degraded - etc
Gene Therapy
Microevolution
Theraputic cloning
Founder effect
37. 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
Homology
Gel Electrophoresis
Intersexual selection
Hardy- Weinberg equilibrium
38. Direct competition for mates with the same sex
Mechanisms of Microevolution
Evolution
Intrasexual selection
Phenotypic variation
39. 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
Stem cells
Ericson Method
Pluripotent stem cells
Charles Darwin
40. Heterozygous chromosomes have an affect on an individuals genetics/alleles
Natural selection does not make perfect individuals
Founder effect
Micro - sort
Heterozygote Advantage
41. The organism with the most advantageous traits will survive
Reproductive cloning
Pluripotent stem cells
Natural selection
Descent with Modification2
42. Related organisms have similar development plans
Embryology
Lamarck
Germinal choice
Lyell
43. The idea that characteristics can enhance an organisms survival
Mutation
Founder effect
Cuvier
Adaptation
44. Forms that show how an organisms anatomy change over time
Sexual dimrphism
Preimplantation Genetic diagnosis (PGD)
Descent with Modification
Transitional forms
45. Traits that are neither advantageous nor disadvantageous; there is no selection
Restriction enzymes
Neutral Variation
Transitional forms
Cuvier
46. Mate choice; one sex chooses their mate
Intersexual selection
Evolution
plasmid
Gel Electrophoresis
47. The more common a trait becomes the more likely it will be selected against
Stem cells
plasmid
Frequency dependent selection
Gel Electrophoresis
48. Differences in appearances between the sexes
Sexual dimrphism
Disruptive selection
Directional selection
Gene flow
49. Change in the DNA sequence of an individual; the only true way to get a new allele; the source of all heritable variation
Mutation
Ericson Method
Cuvier
Pluripotent stem cells
50. All species on earth are fixed; no changes - no new species - no extinction
Theory
Linnaeus
Historical Context of evolution
Hutton