Oogonium where the mitotic division occurs, Differentiation and meiosis I begins, Primary oocyte, Meiosis I is completed and meiosis II begins, Secondary oocyte, First polar body, Ovulation must occur and the presence of the sperm penetration (fertilization) induces meiosis II to completion, Ovum, Second polar body.

Tabela rankingowa

Motyw

Opcje

Zmień szablon

Przywrócić automatycznie zapisane ćwiczenie: ?