Problem: All of the following are epigenetic mechanisms, EXCEPT. A) changing gene expression by adding and removing chemical groups to histone proteins B) changing gene expression by the use of long noncoding RNAs C) changing gene expression by the use of small noncoding RNAsD) changing gene expression by adding and removing methyl groups to DNA E) changing gene expression by changing the nucleotide sequence through mutation

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Epigenetics: study of heritable changes in gene expression that do not involve changes to the underlying DNA sequence

: a change in phenotype without a change in genotype

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Problem Details

All of the following are epigenetic mechanisms, EXCEPT. 

A) changing gene expression by adding and removing chemical groups to histone proteins 

B) changing gene expression by the use of long noncoding RNAs 

C) changing gene expression by the use of small noncoding RNAs

D) changing gene expression by adding and removing methyl groups to DNA 

E) changing gene expression by changing the nucleotide sequence through mutation

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