All of 23andMe’s independent directors have resigned from its board in a rare move that marks the latest challenge for the genetic-testing company.

(Bloomberg) -- 23andMe Holding Co. co-founder and Chief Executive Officer Anne Wojcicki told employees that she remains committed to taking the genetic testing company private following the resignation of its independent board members.

Seven independent members of the company’s board resigned Tuesday, concluding that despite co-founder and CEO Anne Wojcicki’s expressed intention to take the company private, “no such proposal is forthcoming.