Spectral Karyotype of the human female Typically, the cells of female humans contain two X chromosomes, even though the cells of male human beings have an X in addition to a Y chromosome.[23] All through early fetal growth, all embryos have phenotypically female genitalia up right until 7 days 6 https://maps.app.goo.gl/w5XBfysi2MgYAQBN7