Board Thread:Naruto Discussions/@comment-25139119-20140704145132/@comment-1512913-20140704184530

Indeed, the incarnates also inherit some chakra of their biological parents naturally. For example, Madara was no longer Indra incarnate after revival with Rinne Tensei. So if Indra chakra were the only thing he had, he would have died from the revival because of lack of any chakra.