Today, two terms which, in a sense, extend our discussion of twins from episode 27.
Sources for this episode:
- Blickstein, I. (2003), Superfecundation and superfetation: lessons from the past on early human development. The Journal of Maternal-Fetal & Neonatal Medicine 14(4): 217-219.
- Segal, N. L. and Nedelec, J. L. (2021), Heteropaternal twinning: Unique case of opposite-sex twins with different fathers. Forensic Science International 327: 110948.
- Thain, M. and Hickman, M. (2004), The Penguin Dictionary of Biology (11th edition). London: the Penguin Group.
