Respuesta :

cupcakesorinkles14
Chromatin: Substance made up of DNA and proteins. Codons: Sequence of three nucleotide bases on mRNA that codes for a specific amino acid. ... DNA: A double-stranded nucleic acid that contains the genetic information for cell growth, division, and function.
isentrixx
There are actually 4 roles of DNA

Replication 
Encoding information 
Mutation and Recombination 
Gene Expression 

Hope I helped! ( Smiles )

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