Clarification for LacZ gene in expression vectors

[vedha giri]

Dear Sir,

If I Ligate my gene of interest in to the expression vector that do not have
the LacZ gene, what will be result of Blue /white selection test?

How should I conformed my insert result?

Regards

-- 
K.Vedhagiri
Research Scholar,
Dr K.Natarajseenivasan Lab,
Department of Microbiology,
Bharathidasan University,
Tiruchirappalli - 620 024.
India.
Mobile +91 99446-83728