In what stage of meiosis is crossing over most likely to occur?

carbon atoms, hydrogen, oxygen, and nitrogen.

if someone had the list of traits you provided

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.