In most mammals. including mice and humans. meiotic recombination is determined by the meiosis specific histone methytransferase PRDM9. which binds to specific DNA sequences and trimethylates histone 3 at lysine-4 and lysine-36 at the adjacent nucleosomes. https://www.jmannino.com/super-value-NFL-Atlanta-Falcons-Team-Jersey-PS5-Digital-Edition-Bundle-Skin-p121054-great-pick/