Procreates (6)
I believe the answer is:
breeds
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">procreates</span>' is the definition.<br/ ><span class="explanation-format__explanation">(breeding is a kind of procreating)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for breeds that I've seen before include "Generates" , "Produces offspring" .)