What would happen if the chromosome number were not reduced before sexual reproduction?

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?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Select the correct answer from each drop-down menu proteins are