The dial in the omnitrix popped up and Ben stared at it, "DNA modification mode?" He thought, and then it hit him, he knew what to do.
Ben Pointed the omitrix at Gwen and suddenly a light emanated from the omnitrix and scanned Gwen. "Scan complete target selected." Said the omnitrix, and with that a dial identical to the one in the omnitrix popped out of Gwen's chest.
Ben looked at the omnitrix and pressed the button, but instead of the shapes of the aliens appearing in the dial there was something else, he had two options, a silhouette that looked like Gwen and a silhouette that looked like himself. He chose his silhouette and the normal display of aliens appeared, he pressed the little green button and the display returned to the two silhouettes, he chose Gwen's. When he did the dial in her chest beeped and lit up.
When Ben chose Gwen's silhouette the display changed into the silhouettes of the usual aliens, but the aliens looked different, with smaller waists, wider hips and larger chests. Suddenly Ben understood…