No as they did not bring it in.
From the link below...
"In 1948 South Africa had a new government, the National Party. Elected by a small majority in a whites-only election, its victory followed a steady increase in black migration to the country's towns. This migration had led to a fear of black domination among the minority whites - the Afrikaners, and the English-speaking community, mainly of British descent. South African political expert Stanley Uys believes it was at this moment that apartheid was born."