Which statement is correct concerning hereditary information?(1) A chromosome is composed of many genes.(2) A gene is composed of many chromosomes.(3) Each chromosome carries the same information.(4) Each gene carries the same information. pl answer no trolls

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?