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Linkages

Linkage

(Science: genetics) tendency for two or more non-allelic genes to be inherited together, because they are located more or less closely on the same chromosome.

thus parental combinations of characters are found more frequently in offspring than nonparental. Linkage is measured by the percentage recombination between loci.


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changes of allele frequency with selection

I have a problem with the article of Lebowitz in Theor Appl Genet, 1987 "Trait based analysis for the detection of linkages between marker loci and quantitative trait loci in crosses between inbred lines" in a F2 population with genotypes AA Aa aa at the QTL ( only one QTL ...

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by nena77
Thu Feb 26, 2009 8:57 am
 
Forum: Genetics
Topic: changes of allele frequency with selection
Replies: 0
Views: 325

change in alle frequency with selelction

I have a problem with the articel of Lebowitz in Theor Appl Genet, 1987 Trait based analysis for the detection of linkages between marker loci and quantitative trait loci in crosses between inbred lines. in a F2 population with genotypes AA Aa aa at the QTL ( only one QTL is supposed ...

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by nena77
Wed Feb 25, 2009 7:08 pm
 
Forum: Genetics
Topic: change in alle frequency with selelction
Replies: 1
Views: 497

gel electrophoresis & assays help please

... endonuclease HindIII. 3. fragments of pSP1 added to cut pHG327 to allow recombination and then treated with dna ligase to reform phosphodigester linkages 4. bacterial colonies screened on MacConkey agar ti detect transformants 5. recombinants with aly gene isolated by detecting expression of ...

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by RachBio
Fri Feb 06, 2009 11:32 pm
 
Forum: Molecular Biology
Topic: gel electrophoresis & assays help please
Replies: 6
Views: 869

can anyone help me answer these biology questions?

... between organisms - what are the compenets inside a cholorplast? - what are the types of macromolecules in living organisms? - know types of linkages (peptide, ester, glycosidic etc.) - what are enantiomers? - be able to match up cell structure with its function - what is organic chemistry ...

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by tungvinchenzo
Thu Feb 05, 2009 8:55 am
 
Forum: General Discussion
Topic: can anyone help me answer these biology questions?
Replies: 2
Views: 742

at sona regarding anfindsens expt

... by destabilizing the structure of water, allowing it to solvate nonpolar groups 2-mercaptoethanol was also required, to reduce the 4 disulfide linkages of the native conformation The experiment showed that if the disulfide bonds were allowed to form in the denatured state, this would trap the ...

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by hisunny4u
Mon Oct 01, 2007 11:34 am
 
Forum: Genetics
Topic: Anfinsens Experiment
Replies: 5
Views: 1930
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