Model Organisms in Genetics

Genetics

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Data 2fimages 2fgjdhhkymtkcqdnu34dmi 190406 s0 afridi maham model organisms in genetics intro
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Model Organisms in Genetics
Data 2fimages 2fhicpdm3sior0jzawo4rc 190406 s1 afridi maham model 20organisms
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Model Organisms
Data 2fimages 2f43javg3ktscp5hnvfzsm 190406 s2 afridi maham drosophila melanogaster
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Drosophila Melanogaster
Data 2fimages 2f3lbt7eq1sfohmqqoio6y 190406 s3 afridi maham escherichia 20coli and saccharomyces cerevisiae
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Escherichia Coli and Saccharomyces Cerevisiae
Data 2fimages 2fxsrb2cbtdew58t42xatw 190406 s4 afridi maham caenorhabditis elegans
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Caenorhabditis Elegans
Data 2fimages 2f8nos1auctrejoipqlm7t 190406 s5 afridi maham mus musculous
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Mus Musculous

Lecture´s Description

This sqadia.com medical video lecture is the elucidation of model organisms in genetics. Primarily, in-depth information about fruit fly is given. After that experimental advantages of drosophila melanogaster are enlightened. Escherichia coli and saccharomyces cerevisiae also have a huge importance when talking about model organisms. Carrying on with discussion, caenorhabditis elegans, danio rerio, and mus musculous are also expansively explained. Lastly, Maham Afridi notifies about arabidopsis thaliana.

Model Organisms

Model organism have a known or small genome and follows a simple development pattern. One of the first organisms used to explore the mechanisms of inheritance is the common fruit fly. The requirement of fundamental genetic mechanisms has been explicated in this section. This is followed by genetic contributions using model organisms. Also, the unifying concept of homology is described.

Drosophila Melanogaster

Historical contributions of the common fruit fly i.e. drosophila melanogaster and its continuing importance as a genetic model are described. Experimental advantages of drosophila melanogaster are discussed in succession. Furthermore, Maham Afridi elaborates that drosophila melanogaster is common experimental model for exploring role of genes in development, physiology, and behaviour, along with exploring the genetic basis of quantitative trait.

Escherichia Coli and Saccharomyces Cerevisiae

Escherichia coli is central to areas like recombinant DNA technology development. After that Maham Afridi illustrates the importance of Escherichia coli as experimental model that it is utilized to study the linearity of gene structure in the genome by Seymour Benzer. Next, baker’s yeast i.e. saccharomyces cerevisiae comes under consideration. The role of saccharomyces cerevisiae in signal transduction pathways is deliberated with the help of a diagram.

Caenorhabditis Elegans

Caenorhabditis elegans is handled with techniques that resemble to culture bacterial cell colonies. Then genetic control using Caenorhabditis elegans is studied. Discussion continues on benefit of C elegans as an experimental model. Maham Afridi explains some unexpected elements in gene expression of C elegans. Moving onward, the zebrafish: danio rerio comes under consideration which shares many characteristics with other model genetic systems.

Mus Musculous

Another model organism elucidated in this section is mus musculous known as the house mouse. Educator explains how mus musculous is used as rich resource for advanced experimental design. Information about a model plant arabidopsis thaliana is also delivered in this section. After that, insertional mutagenesis of arabidopsis thaliana is discussed. Concluding comments are given on genetic analysis.

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