Unmaking mysteries
Mark Ridley, 1 September 1983
“... if you catch it early enough, it will later learn to treat the foreign, injected B cells as ‘self’. Now graft the skin of a B-strain mouse onto the grown-up adult of an A mouse that has been injected with B cells as an embryo. A normal A-strain mouse would reject the graft. But the injected mice do not. They have acquired a tolerance for B-strain ... ”