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polyploidy

polyploidy - Arabidopsis and Plant Biology

polyploidy - Discuss Arabidopsis and Plant Biology Research.


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  #1  
Old 06-29-2010, 11:00 PM
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Default polyploidy



Why is polyploidy more common in plants as compared to animals.
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Old 06-30-2010, 03:58 AM
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Default Re: polyploidy

I guess because plants cannot avoid mutagenesis like animals do... for example, if an animal is getting exposed to mutagenic and hazardous UV-filled sunlight, it only has to walk away to the nearest shadow... but a plant cannot just walk away from it. To avoid mutating vital genes, one thing they do (besides having the most efficient mutation-correcting system) is just having many copies of the genome... this way, if something mutates a vital gene, there are many other copies of it to supply its function.
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