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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. Invented the binomial method(naming of species); also believed that life was fixed
Ericson Method
Theraputic cloning
Linnaeus
Germinal choice
2. A subset of a population colonizes a new area
Founder effect
Mate choice/non - random mating
Intrasexual selection
Asexual reproduction
3. Selects for the middle and against the extremes
Asexual reproduction
Stabilizing
Theory
Neutral Variation
4. Change in alleles due to random chance
DNA fingerprinting
Genetic drift
Microevolution
Intersexual selection
5. Mate choice; one sex chooses their mate
Molecular similarity
Hardy- Weinberg equilibrium
Intersexual selection
plasmid
6. Cells that can turn into other cells
Stem cells
Historical Context of evolution
Intrasexual selection
Ericson Method
7. The organism with the most advantageous traits will survive
Transitional forms
Most organisms are...
Gene Therapy
Natural selection
8. Can make large quantities of product; infection free; less expensive than a natural source
Advantages of Recom. DNA tech
Lamarck
Restriction enzymes
Most organisms are...
9. Mutation - Natural selection - Genetic drift - Bottleneck effect - Founder effect - Gene flow - and Mate choice/non - random mating
Sexual reproduction
Linnaeus
Mechanisms of Microevolution
Phenotypic variation
10. Cuts DNA in specific sites; the fragments created are usually predictable
Totipotent stem cells
Restriction enzymes
Gene Therapy
Homology
11. Forms that show how an organisms anatomy change over time
Gene flow
Stem cells
Transitional forms
Most organisms are...
12. Results in a genetically identical inidvidual
Directional selection
Frequency dependent selection
Mechanisms of Microevolution
Reproductive cloning
13. A circular piece of DNA in bacteria where the gene is placed in Recom. DNA technology
plasmid
Sexual reproduction
Genetic drift
Natural selection does not make perfect individuals
14. Way more offspring are produced than by sexual reproduction
Mutation
DNA fingerprinting
Hutton
Asexual reproduction
15. Recessive traits persistent to a certain population; recessive alleles hide from selection
Adaptation
Bottleneck effect
Diploiding
Biogeography
16. Results in a tissue or an organ that is identical to the DNA donor
Pluripotent stem cells
Biogeography
Adaptation
Theraputic cloning
17. Sexual partners chosen based on some characteristics
Mechanisms of Microevolution
Mate choice/non - random mating
Recombinant DNA technology
Gene flow
18. An accumulation of genetic charges over a certain amount of time
Population
Descent with Modification
Totipotent stem cells
Stabilizing
19. Sometimes different species share common ancestors
Embryology
Preimplantation Genetic diagnosis (PGD)
Descent with Modification2
Stabilizing
20. Believed that change was gradual;Gradualism(the mechanisms of the world - then - are the same today)
Embryology
Descent with Modification2
Hutton
Natural selection does not make perfect individuals
21. A process to help separate DNA fragments using an electrical current; helps to compare DNA samples by fragment pattern
Ericson Method
Gel Electrophoresis
DNA fingerprinting
Embryology
22. Pharmaceutical animals; cloned animals used ot produce products for humans
23. Closely related organisms have more similar DNA sequences and protein structures
Charles Darwin
Intersexual selection
Homology
Molecular similarity
24. Heterozygous chromosomes have an affect on an individuals genetics/alleles
Sexual dimrphism
Founder effect
Recombinant DNA technology
Heterozygote Advantage
25. Capable of asexual reproduction; most are not
Most organisms are...
Sexual selection
Theory
plasmid
26. 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
Genetic drift
Pluripotent stem cells
Natural selection does not make perfect individuals
Historical Context of evolution
27. Selects for the extremes and against the middle
Disruptive selection
Advantages of Recom. DNA tech
Sexual reproduction
Hardy- Weinberg equilibrium
28. 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
Descent with Modification
Preimplantation Genetic diagnosis (PGD)
Most organisms are...
Reproductive fitness
29. 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
Germinal choice
Lamarck
Sexual reproduction
Hutton
30. Directional selection - Disruptive selection - Stabalizing
Modes of Selection
Disruptive selection
Genetic drift
Totipotent stem cells
31. Subset of natural selection that increases the likelihood of mating specifically
DNA fingerprinting
Advantages of Recom. DNA tech
Sexual selection
Mate choice/non - random mating
32. Comparing an unknown sample of DNA to a known sample by using Gel Electrophoresis; used in crime scenes - paternity tests - and remains identification
Historical Context of evolution
Homology
Sexual dimrphism
DNA fingerprinting
33. Change in the DNA sequence of an individual; the only true way to get a new allele; the source of all heritable variation
DNA fingerprinting
Gene Therapy
Mutation
Stabilizing
34. A group of interbreeding organisms living in the same place at the same time
Historical Context of evolution
Descent with Modification
Population
Transitional forms
35. A widely accepted idea with lots of evidence
DNA fingerprinting
Recombinant DNA technology
Theory
Hutton
36. Selection fro or against environment; leads to evolution only if variation has genetic components
Diploiding
Totipotent stem cells
Sexual selection
Phenotypic variation
37. Takes the gene from a needed product - puts it into another organism (usually bacteria) and it will make duplicates of the product
Restriction enzymes
Artificial selection(breeding)
Recombinant DNA technology
Frequency dependent selection
38. 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
Phenotypic variation
Charles Darwin
Stabilizing
39. Traits that are neither advantageous nor disadvantageous; there is no selection
plasmid
Neutral Variation
Preimplantation Genetic diagnosis (PGD)
Genetic drift
40. Taking good genes to replace bad genes; almost never works; has unintended side effects; sometimes just doesn't work; protein becomes degraded - etc
Natural selection does not make perfect individuals
Gene Therapy
Natural selection
Ericson Method
41. 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
Theory
Homology
Ericson Method
Micro - sort
42. Form of reproduction more used because it creates Variation
Stem cells
Disruptive selection
Sexual reproduction
Recombinant DNA technology
43. The movement of genes between two populations e.g. migration - immigration
Evolution
Stem cells
Restriction enzymes
Gene flow
44. Came up with the term catastrophism(sudden events that lead to extinction - but not in todays time)
Frequency dependent selection
Cuvier
Intersexual selection
Population
45. Distribution of organisms related to evolution; different organisms play the same roles on different continents; island organisms resemble organisms on nearby mainland
Recombinant DNA technology
Germinal choice
Biogeography
'Pharm' animals
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
Hardy- Weinberg equilibrium
Microevolution
Lamarck
Bottleneck effect
47. The idea that characteristics can enhance an organisms survival
Biogeography
Adaptation
Reproductive cloning
Molecular similarity
48. Number of offspring in the next generation; your contribution to the gene pool
Reproductive fitness
Sexual selection
Gel Electrophoresis
Intrasexual selection
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
Natural selection does not make perfect individuals
Adaptation
Mechanisms of Microevolution
Descent with Modification2
50. Another method designed to sort female sperm form male sperm; goes by size of sperm; females are bigger than male sperm
plasmid
Micro - sort
Historical Context of evolution
Intrasexual selection