Which is a anagolgous structure

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?

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

Which of the following is not a potential result of deforestation?