Dictionary » D » Deletion mutation

Deletion mutation

Definition

noun

A type of gene mutation wherein the deletion (as well as addition) of (a number of) nucleotide(s) causes a shift in the reading frame of the codons in the mRNA, thus, may eventually lead to the alteration in the amino acid sequence at protein translation.


Supplement

Mutations involving the genes are of two major types:


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Re: cancers, chromosome mutations

how does 42 chromosome with [-4] gentic mutation deletion factor affect 46 chromosome genetic idenity?

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by cornholio32141
Sun Sep 30, 2012 5:20 pm
 
Forum: Genetics
Topic: cancers, chromosome mutations
Replies: 6
Views: 6247

Synthetitic genetic screening in yeast

Your explanation seems to be correct. The type of mutation used depends on the phenotype. If it's mild (I mean for deletion), then deletion is used. If it's severe, then substituting normal promoter for the inducible ...

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by Cat
Thu Sep 13, 2012 1:49 am
 
Forum: Molecular Biology
Topic: Synthetitic genetic screening in yeast
Replies: 4
Views: 3430

Synthetitic genetic screening in yeast

... this correctly? Also I'm somewhat confused as to what type of mutation this involves, is it simply deletion or something else? Also, why would there be 2 genes that do the same thing? Could ...

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by nukeman
Tue Sep 11, 2012 4:22 pm
 
Forum: Molecular Biology
Topic: Synthetitic genetic screening in yeast
Replies: 4
Views: 3430

cancers, chromosome mutations

chromosome mutations can be deletion, duplication, inversion or translocation Over-division isn't always caused by altered DNA sequences that ...

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by wildfunguy
Thu Aug 16, 2012 7:02 pm
 
Forum: Genetics
Topic: cancers, chromosome mutations
Replies: 6
Views: 6247

chromosome mutations and cell division

I want to ask if chromosome mutations occur in both mitosis and meiosis. And if a chromosome mutation covers the ... does this mean that this case is also a gene mutation? chromosome mutations can be deletion, duplication, inversion or translocation

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by biologyisgreat
Fri Jul 27, 2012 4:24 pm
 
Forum: Genetics
Topic: chromosome mutations and cell division
Replies: 2
Views: 2570
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