The importance of DNA is that it is the substance of genes, the units of inheritance that transmit information from 
(the units of inheritance; transmit; information) (The importance of DNA; is; that it is the substance of genes) Context(The importance of DNA is,List([0, 24))):(it; is; the substance of genes)
The importance of DNA is,List([0, 24))
the units of inheritance The importance of DNA it
transmit is is
information
that it is the substance of genes
the substance of genes