It takes place during the process of meiosis in gametes.
Meiosis - cell division that makes daughter cells with haploid (half) number of chromosomes...basically the production of egg and sperm cells
Gametes - the egg cells and sperm cells
Meiosis - cell division that makes daughter cells with haploid (half) number of chromosomes...basically the production of egg and sperm cells
Gametes - the egg cells and sperm cells