sticky-ended DNA

stick·y-end·ed DNA

double-stranded DNA in which one of the strands protrudes from the other strand (that is, has a number of unpaired bases) at one end or more.

stick·y-end·ed DNA

(stik'ē end'ĕd)
Double-stranded DNA in which one of the strands extends beyond the other strand (i.e., has a number of unpaired bases) at one end or both.