MadSci Network: Genetics

Subject: expression of allele in diploid and polyploid organism

Date: Wed Dec 14 00:39:15 2005
Grade level: 10-12 School: MADURAI KAMRAJ UNIVERESITY
City: MADURAI State/Province: TAMIL NADU Country: INDIA
Area of science: Genetics
ID: 1134545955.Ge

what is the reason behind that one allel of a gene is expressed and other is 
repressed .? in polyploid organism which factor determines the expression of 
one allele .? why not it happens that all genes of both chromosomes (in 
diploid )  are expressed in different cells at the same time ? 

Re: expression of allele in diploid and polyploid organism

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