Supporters would still need to collect hundreds of thousands of voter signatures to send their proposals to lawmakers and likely statewide votes in 2016.
According to current market research, human breast milk is being sold for about $4 an ounce.
Democratic Sen. Bert Johnson said attempting to change the wording is a form of “white privilege.”
It was a close one, with Lt. Gov. Brian Calley serving as a tie-breaker.
The full Senate could vote on the plan Wednesday.
Pedal pubs are becoming increasingly popular modes of transportation for shuttling passengers between tourist attractions such as breweries and wineries.
The Michigan Legislature is close to ending an incentives program used to entice the production of movies, TV shows and video games in the state.
House Republicans voted last week to end the earned income tax credit as part of a $1.2 billion road-funding plan, saving at least $115 million a year.
The legislation passed Michigan’s Republican Legislature despite objections that it would permit discrimination against gay couples and others.
The motive behind the increases is that owners of electric and hybrid vehicles don’t pay as much as other drivers toward the state gas tax, which supports road repairs.