SHORT VIDEO – The Paradox Institute
24 MARCH 2020
When discussing biological sex, there is disagreement over whether sex is a spectrum (with a range of possibilities) or whether it is binary (with only two possibilities). Seeing the potential extremes of either side, many decide to strike a compromise by saying that sex is bimodal. Does it work?
Contributors:
[1] This video was adapted from a Twitter thread by evolutionary biologist Colin Wright (@SwipeWright).
Sources:
[1] Wright, C. (2020). Is Sex Bimodal? Twitter. (https://threadreaderapp.com/thread/12…)
[2] Sax, L. (2002). How common is lntersex? A response to Anne Fausto‐Sterling. Journal of Sex Research.
[3] Marinov, G.K. (2020). In Humans, Sex is Binary and Immutable. Acad. Quest. 33, 279–288.
[4] Lehtonen, J., Parker, G. (2014). Gamete competition, gamete limitation, and the evolution of two sexes. Molecular Human Reproduction, 20(12).
[5] Cox, P., Togashi, T. (2011). The Evolution of Anisogamy, A Fundamental Phenomenon Underlying Sexual Selection. New York Cambridge University Press. 17.
[6] Loof, A. (2018). Only two sex forms but multiple gender variants. Communicative & Integrative Biology, 11(1).
[7] Witchel, S. (2017). Disorders of sex development. Best Practice and Research in Clinical Obstetrics and Gynaecology, 48, 90-102.
[8] Schmitt, D. (2016). Sex and gender are dials (not switches). Psychology Today. [9] Hyde, J. (2014). Gender similarities and differences. Annual Review of Psychology, 65, 373-398.