<i>Asx</i> mutant clone adult wings have patches of small cells containing more than one hair.

<p>Boxed areas in wing blades are magnified at the right. Small cell clones are outlined in black. A) Wild type. B,C) Wings bearing <i>Asx<sup>xen</sup></i> mutant clones with small cells. Clone on edge of wing (B) and dual-lobed wing with small cells in the cleft between the lobes.</p>