Option two it was! As Allen's mind wrapped itself about the concept, a sharp intake was required to make up for the excess oxygeon burnt. Lodged in his wind pipes he could feel the salt crystals dig into his wind pipe. A few, forceful coughs scared out the intruder.<br/><br/>After recomposing himself and readjusting his glasses. "Ofcourse, the possibility HAD crossed my mind. Their physical make-up suggests being more suited to a low gravity or aquatic environment. This complicates things. I'll need samples from the twins AND their mother just to isolate the human genes from the alien ones." All of a sudden, the work before him made the hamburger infront of him seem unnappealing. "and to think I had hoped to save them from needless testing."