The final stage of human fertilization is the fusion between the female and male nuclei. This fusion results in the formation of a single cell made of 46 chromosomes: 23 from the mother, and other 23 from the father.
By Dra. Laura de la Fuente Bitane (gynecologist), Zaira Salvador BSc, MSc (embryologist) and Romina Packan (invitra staff).
Last Update: 11/29/2018