If a sperm cell contains 8 chromosomes, it comes from an animal that has chromosomes.

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

What is earths lithospheric plates interact at

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?