5.What two events in meiosis leads to different combination of chromosomes in each daughter cell?

Mr. olajuwan was in a horrific snowmobile accident. afterwards he had trouble walking and he had a loss of balance. which of the 4 major brain region was probably demaged

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?