"I don't need the long version." "Yes, you do. Now calm down, James. This is going to be very hardto explain." James merely nodded, his gaze fixed upo... the doctor. "The new cells are identical to yours in all ways, with theexception of the twenty-third chromosome pair. Have you taken muchgenetics in school?" "I'm not an illiterate, doc." James replied, a bit peeved. "Thetwenty-third chromosome pair is the only chromosome pair to vary insize and shape depending upon the person's sex. In males it. Get us both off first and then you can cum, trust me it will be more satisfying that way. The big cock guy told me to get on my back, he then lifted my legs straight up and placed his cock between them. He pushed them together tightly and started moving his cock back and forth. He asked the host to get some lube, poured it on his cock and started up again. The host came over to me and straddled my chest presenting his cock to me. This was going to be the grand finally so I didn’t protest and. "Swap ends lads," she said, "You can fuck me and I'll suck him clean." Soon she was being spit roast again, moaning as she cleaned the spunky cock while being pounded from behind. The guy who'd already cum in her was soon feeling too sensitive and had to pull away. He bent to thank her and kissed her goodbye, doing up his trousers he got into his car and drove off, leaving me filming the other guy as he pistoned in and out of her wet, cum filled pussy.It wasn't too long before he too was. "I reach down, my hot breath still whispering in her ear, and pull her blouse open, popping the buttons free. She squeals againa nd arches her back off the bed. Her breasts strain against her bra until I release the front clasp. Her nipples are hard and ready for attention, but I slide backward along her thighs, reaching for the clasp and zipper of her skirt, before tugging it down her legs. I leave her panties on for now as I slide backward off the bed. Her eyes flutter open and quickly.