When the list is prepared by the clerk and presented to the parties or their attorneys, objection for cause must be made before striking, and if the objection is sustained, the clerk shall fill up the list before it is stricken. If, after the jury has been struck as provided, it is discovered that any one or more of the jurors whose names remain upon the jury list are disqualified for any cause, the clerk shall furnish the parties or their attorneys with an additional list of three times as many jurors as may be found to be disqualified, to be drawn as the first list was drawn, from which the parties or their attorneys shall alternately strike, until there is left the number necessary to impanel the panel.