Thus, far from being junk DNA, this is better called functioning DNA, though many of its functions are still being discovered. There are several types of non-coding or junk DNA.

Duplications of large segments of noncoding DNA in the human genome may have contributed to the emergence of differences between humans and nonhuman primates, according to new results. Identifying ...

"Studies in the last decade have established that sequence variations in non-coding DNA are a key driver in multi-genic traits and diseases in human populations, such as diabetes, Alzheimer's ...