Virgin birth in sharks...wow.

[visceral_instinct]

http://www.newscientist.com/article/mg20627584.100-virgin-birth-sharks-secret-survival-trick.html

That is cool.

 

[DRZion]

I wonder if there is any case where this could happen to a human. Anyhow, this is related-
http://en.wikipedia.org/wiki/Wolbachia#Role_in_sexual_differentiation_of_hosts
This is a case where a parasitic/symbiotic bacteria confers this ability to insects who would otherwise have to go through the regular reproductive pathways.