diplopodia
... that at least five mutations are known to cause diplopodia in chickens, resulting in the development of extra toes or other structural abnormalities in the hind limbs?
... that at least five <a href="./Mutation" id="mwAeg" rel="mw:WikiLink" title="Mutation">mutations</a> are known to cause <b id="mwAek"><a href="./Diplopodia" id="mwAeo" rel="mw:WikiLink" title="Diplopodia">diplopodia</a></b> in <a class="mw-redirect" href="./Chickens" id="mwAes" rel="mw:WikiLink" title="Chickens">chickens</a>, resulting in the development of extra toes or other structural abnormalities in the hind limbs?