The charge properties of quark jets produced in e+e- annihilation at 30 GeV c.m. energy have been investigated with the PLUTO detector. We find that the mean absolute value of the jet charge 〈|Qjet|〉 = 0.55 ± 0.25 is small compared to the expectation from statistical models. Long-range charge correlations are observed. These results indicate that the sign of the primary quark charge can be obtained with high probability from the charge of the jet and its distribution in the jet.