From what I've heard Project W had nothing to do with clones.
"Short for Project Wesker, it was an Umbrella project, tasked with creating the ultimate race of Humans. It involved the kidnapping of hundreds of children born of parents with above-average intelligence, who were then brainwashed into personalities suited towards serving Ozwell Spencer. All of the children were given the surname "Wesker", after one of the top Umbrella researchers at the time, and none of them were aware that they were being monitored constantly. Umbrella arranged for all of them to be injected by the Progenitor virus, some by the advice of friends, some as part of a supposed health checkup, and some by force. All of the Weskers died, and by 2006, only the one named Albert was still alive."
Retrieved from "http://residentevil.wikia.com/wiki/Project_W"
Now this info could prove to be false but I highly doubt it.