Some species of Mollies only use their own DNA.So not unknown.

article plus 'Sex in the City' + Oprah =Death of Males..... Have fun girls, with your rubber joysticks and spontaneous pregnancies. Yay. Whoopee even. Teledildonics, ho!!!

Parthenogenesis, as this type of reproduction is known, occurs when an egg cell is triggered to develop as an embryo without the addition of any genetic material from a male sperm cell. http://news.bbc.co.uk/2/hi/science/nature/6681793.stm#graphic http://en.wikipedia.org/wiki/Parthenogenesis http://www.iht.com/articles/2008/02/24/opinion/edshubin.php

Nature's solutions have a certain elegance, if you can't find a partner to have offspring in the vastness of the ocean you simply clone yourself and keep swimming until you do. Sounds like a good vehicle to build some science fiction stories around too.