The measure would allow private adoption agencies to reject gay applicants if it conflicts with their religious or moral beliefs.
House members earlier overwhelmingly approved Gilbert's version. Republican Governor Bob McDonnell has said he support the legislation. The bills must be reconciled before heading to McDonnell's desk for his signature.
Speaking on the Senate floor, Democratic Senator Adam P. Ebbin, the chamber's first openly gay member, called the measure “morally wrong.”
Virginia also only allows married couples to jointly adopt a child, which disproportionately affects gay and lesbian couples because they are unable to legally marry in the state.
Lawmakers acted after the Virginia Board of Social Services reversed anti-discrimination rules based on personal factors, including sexual orientation. Those rules take effect May 1.
Source: On Top Magazine