What are the risks linked to dehydration

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?

One gene can influence trait(s). one trait can be determined by gene(s).

Tides that occur during the new and full moons