the distinction between artifical selection and natural selection is important t
ID: 42271 • Letter: T
Question
the distinction between artifical selection and natural selection is important to master. consider a bactetia that does not cause human disease. Describe these processes using illustrative examples. Your examples may be fictitious, but they need to be realistic and make biological sense.1. Describe a specific example in which bacteria changes (evolves) in a manner that illustrates artificial selection. Your description should contain an explination. 2. Describe a specific example in which bacteria changes (evolves) in a manner that illustrates natural selection. Your description should contain an explination. the distinction between artifical selection and natural selection is important to master. consider a bactetia that does not cause human disease. Describe these processes using illustrative examples. Your examples may be fictitious, but they need to be realistic and make biological sense.
1. Describe a specific example in which bacteria changes (evolves) in a manner that illustrates artificial selection. Your description should contain an explination. 2. Describe a specific example in which bacteria changes (evolves) in a manner that illustrates natural selection. Your description should contain an explination. the distinction between artifical selection and natural selection is important to master. consider a bactetia that does not cause human disease. Describe these processes using illustrative examples. Your examples may be fictitious, but they need to be realistic and make biological sense.
1. Describe a specific example in which bacteria changes (evolves) in a manner that illustrates artificial selection. Your description should contain an explination. 2. Describe a specific example in which bacteria changes (evolves) in a manner that illustrates natural selection. Your description should contain an explination.
1. Describe a specific example in which bacteria changes (evolves) in a manner that illustrates artificial selection. Your description should contain an explination. 2. Describe a specific example in which bacteria changes (evolves) in a manner that illustrates natural selection. Your description should contain an explination.
Explanation / Answer
artifical selection is the selection of individuals made by humans , in which the organism should reproduce and which caused major changes in the features of the organism, is usually intentional and there is particular goal in mind.
artifical selection is the same but the seklection is done by the conditions of environmeent.
2. antibiotics were called the wonder drugs because they were exceptionally effective against certain disease producing bacteria and contributed to saving of people. but effectiveness of these drugs has been reduced by the emergence of resistant strains of bacteria , apparently mutations have occured in bacterial populations that enable the mutant bacterial cells to survive in the presence of drug.
mutations furnish the source of evolutionary changes and the fate of mutant gene is governed by selection.
1, artificial selection : it is do ne when humans select a particular bacteria for some goal, like agrobaterium tumefaceans, it is used as vector for the generation of transgenic plant ( which had insecticidal resistance , stress tolerant ),an agrobacterium plasmid normally carries a T DNA sequence is modified by substituting a selectable marker as of antibiotic resistance gene.
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