関連ワード:  what is a function of non coding dna    what is one function of non coding dna    what is the purpose of non coding dna    what is the role of non coding dna    what is the role of non coding dna in gene expression    what is the function of non coding parts of dna    which of the following is not a function of non coding dna    is non coding dna important    what is non coding dna    what do non coding dna do