monogeny (n.)
1856; "generation of an individual from one parent which develops both male and female products;" 1865, "theory that humankind originated from a single pair of ancestors;" see mono- + -geny. In the first sense, monogenesis (1866, from Modern Latin) has been used; monogenetic has been used in both senses. Related: Monogenism.
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}