parthenogenesis

partenogeneesi puhekieltä (non-gloss definition)
puhekieltä reproduction Reproduction by the development of a single gamete (viz. an ovum or ovule) without fertilisation by a gamete of the opposite sex; compare (m), (m).
2008 October 15, "Virgin Shark Gives Birth", http://abc.gov.au/news/stories/2008/10/15/2391404.htm?site=news AFP via Australian Broadcasting Corporation:

Scientists say the birth is the second confirmed instance of a shark being conceived by parthenogenesis, a process in which an unfertilised egg develops into a new individual.

We may learn, to be sure, plenty of lessons from Shakespeare. We are not likely to have kingdoms to divide, crowns foretold us by weird sisters, a father’s death to avenge, or to kill our wives from jealously ; but Lear may teach us to draw the line more clearly between a wise generosity and a loose-handed weakness of giving ; Macbeth, how one sin involves another, and forever another, by a fatal parthenogenesis, and that the key which unlocks forbidden doors to our will or passion leaves a stain on the hand, that may not be so dark as blood, but that will not out ; Hamlet, that all the noblest gifts of person, temperament, and mind slip like sand through the grasp of an infirm purpose ; Othello, that the perpetual silt of some one weakness, the eddies of a suspicious temper depositing their one impalpable layer after another, may build up a shoal on which an heroic life and an otherwise magnanimous nature may bilge and go to pieces.