Which functions are made possible by mitotic cellular division?

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

Me with these questions if you’re it sure don’t answer

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment