What is the purpose of "Crossing Over" which occurs during Prophase 1 in meiosis? A: Increase genetic diversity in a species

B:Break down the nuclear membrane

C:Form the spindle fibers

D:Replicate DNA

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.