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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 group of interbreeding organisms living in the same place at the same time
Population
Pluripotent stem cells
Stem cells
Lyell
2. Cuts DNA in specific sites; the fragments created are usually predictable
Modes of Selection
Stem cells
Most organisms are...
Restriction enzymes
3. Closely related organisms have more similar DNA sequences and protein structures
Molecular similarity
Theraputic cloning
Intrasexual selection
Natural selection
4. The idea that characteristics can enhance an organisms survival
Genetic drift
Charles Darwin
Biogeography
Adaptation
5. Subset of natural selection that increases the likelihood of mating specifically
Gene Therapy
Asexual reproduction
Sexual selection
Advantages of Recom. DNA tech
6. Forms that show how an organisms anatomy change over time
Totipotent stem cells
Bottleneck effect
Sexual dimrphism
Transitional forms
7. Capable of asexual reproduction; most are not
Mutation
Founder effect
Most organisms are...
Population
8. Change in the DNA sequence of an individual; the only true way to get a new allele; the source of all heritable variation
Descent with Modification2
Most organisms are...
Pluripotent stem cells
Mutation
9. Mate choice; one sex chooses their mate
Mechanisms of Microevolution
Intersexual selection
Sexual dimrphism
Historical Context of evolution
10. The more common a trait becomes the more likely it will be selected against
Natural selection does not make perfect individuals
Frequency dependent selection
Reproductive cloning
Lamarck
11. When a population becomes smaller and a few individuals survive the event
Disruptive selection
Historical Context of evolution
Bottleneck effect
Directional selection
12. Distribution of organisms related to evolution; different organisms play the same roles on different continents; island organisms resemble organisms on nearby mainland
Most organisms are...
Population
Biogeography
Mechanisms of Microevolution
13. Believed that change was gradual;Gradualism(the mechanisms of the world - then - are the same today)
Stem cells
Micro - sort
Hutton
Diploiding
14. Selection fro or against environment; leads to evolution only if variation has genetic components
Micro - sort
Stem cells
Phenotypic variation
Natural selection does not make perfect individuals
15. Number of offspring in the next generation; your contribution to the gene pool
'Pharm' animals
Reproductive fitness
Germinal choice
Historical Context of evolution
16. Recessive traits persistent to a certain population; recessive alleles hide from selection
Population
Diploiding
Bottleneck effect
Artificial selection(breeding)
17. Choosing the sperm/egg/embryo that will produce the desired child depending on DNA(genes)
Diploiding
Population
Descent with Modification
Germinal choice
18. A process to help separate DNA fragments using an electrical current; helps to compare DNA samples by fragment pattern
Gel Electrophoresis
DNA fingerprinting
Lyell
Frequency dependent selection
19. Another method designed to sort female sperm form male sperm; goes by size of sperm; females are bigger than male sperm
Germinal choice
Micro - sort
Disruptive selection
Evolution
20. Sexual partners chosen based on some characteristics
Hardy- Weinberg equilibrium
Reproductive fitness
Stabilizing
Mate choice/non - random mating
21. 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
Microevolution
Artificial selection(breeding)
DNA fingerprinting
Hardy- Weinberg equilibrium
22. Selects for the extremes and against the middle
Descent with Modification2
Biogeography
Disruptive selection
Restriction enzymes
23. The movement of genes between two populations e.g. migration - immigration
Gene Therapy
Pluripotent stem cells
Mechanisms of Microevolution
Gene flow
24. A widely accepted idea with lots of evidence
Theory
Recombinant DNA technology
Germinal choice
Reproductive fitness
25. All species on earth are fixed; no changes - no new species - no extinction
Transitional forms
Hutton
Historical Context of evolution
Micro - sort
26. Taking good genes to replace bad genes; almost never works; has unintended side effects; sometimes just doesn't work; protein becomes degraded - etc
Heterozygote Advantage
Stabilizing
Gene Therapy
Directional selection
27. Heterozygous chromosomes have an affect on an individuals genetics/alleles
Recombinant DNA technology
Molecular similarity
Lamarck
Heterozygote Advantage
28. Came up with the term catastrophism(sudden events that lead to extinction - but not in todays time)
Gel Electrophoresis
Cuvier
Natural selection
Directional selection
29. One extreme is selected over the other
Reproductive fitness
Modes of Selection
Directional selection
Homology
30. Selects for the middle and against the extremes
Theraputic cloning
Stabilizing
Totipotent stem cells
Homology
31. Differences in appearances between the sexes
Population
Sexual dimrphism
Totipotent stem cells
Reproductive cloning
32. The organism with the most advantageous traits will survive
Modes of Selection
Natural selection
Artificial selection(breeding)
Theory
33. 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
Heterozygote Advantage
Theraputic cloning
'Pharm' animals
Pluripotent stem cells
34. Direct competition for mates with the same sex
Micro - sort
Intrasexual selection
Population
Hardy- Weinberg equilibrium
35. Can make large quantities of product; infection free; less expensive than a natural source
Reproductive cloning
Advantages of Recom. DNA tech
Descent with Modification2
Theraputic cloning
36. Results in a tissue or an organ that is identical to the DNA donor
Molecular similarity
Theraputic cloning
Phenotypic variation
Directional selection
37. Sometimes different species share common ancestors
Descent with Modification2
Directional selection
Adaptation
Recombinant DNA technology
38. 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
Lyell
Germinal choice
Cuvier
Charles Darwin
39. A circular piece of DNA in bacteria where the gene is placed in Recom. DNA technology
plasmid
Modes of Selection
Reproductive fitness
Sexual reproduction
40. A subset of a population colonizes a new area
Linnaeus
Founder effect
Ericson Method
Lamarck
41. The change in a populations genetics
Reproductive fitness
Stabilizing
Embryology
Microevolution
42. Mutation - Natural selection - Genetic drift - Bottleneck effect - Founder effect - Gene flow - and Mate choice/non - random mating
Stem cells
Mechanisms of Microevolution
Theory
Adaptation
43. Form of reproduction more used because it creates Variation
Bottleneck effect
Pluripotent stem cells
Sexual selection
Sexual reproduction
44. 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
Gene flow
Evolution
Restriction enzymes
Preimplantation Genetic diagnosis (PGD)
45. Related organisms have similar development plans
Neutral Variation
Theory
Embryology
Disruptive selection
46. 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
Preimplantation Genetic diagnosis (PGD)
Lamarck
Linnaeus
Lyell
47. Results in a genetically identical inidvidual
Lamarck
Neutral Variation
Reproductive cloning
Homology
48. Humans selecting certain traits in domestic organisms
Disruptive selection
Lyell
Artificial selection(breeding)
Descent with Modification
49. 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
Sexual dimrphism
Directional selection
Microevolution
Natural selection does not make perfect individuals
50. Pharmaceutical animals; cloned animals used ot produce products for humans
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