CLONE

Pan Science Fiction paperback, 1981. Cover by Ian Pollock.

"Alvin isn't very clever and his ears stick out. But despite all that, he's a very important person. Or rather, a very important quarter of a person. Or even four people. It's all very confusing being a clone... 

It all started when he was kidnapped by the universal anthropoid brotherhood just after the marble arch massacre. They aren't aware of his amazing telepathic powers yet - but other sinister government agencies are... 

Will Norbert the Chimpanzee, Alvin's valuable friend and advisor, and the lesbian professor poynter find him before they do? Or will Alvin discover his powers and, in between dreaming about the luscious Cheryl, spread his wings a little deep beneath Pall Mall...?"