Trans-vestigiality hypothesis: Difference between revisions

Jump to navigation Jump to search
No edit summary
Line 2: Line 2:


==Sexual mimicry in animals==
==Sexual mimicry in animals==
Dr Erica Todd from the University of Otago is a leading researcher in the Trans-vestigiality hypothesis in non-human animals. She calls male animals who take on female imagery as "sneaker males".  She explains how "sneaker males" disguise themselves as females to avoid aggression from larger males, and steal mating opportunities.<ref>https://phys.org/news/2017-11-sneaky-males-female-like-brains-big.html</ref>  Her work focused a lot on Bluehead Wrasse fish.  She found that the "sneaker males" had genes for male sex hormones turned off but also had much more sperm production and sperm quality control.  The "sneaker males" often also changed roles to more masculine fish as they grew larger.
Dr Erica Todd from the University of Otago is a leading researcher in the Trans-vestigiality hypothesis in non-human animals. She calls male animals who take on female imagery as "sneaker males".  She explains how "sneaker males" disguise themselves as females to avoid aggression from larger males, and steal mating opportunities.<ref>https://phys.org/news/2017-11-sneaky-males-female-like-brains-big.html</ref>  Her work focused a lot on Bluehead Wrasse fish.  She found that the "sneaker males" had genes for male sex hormones turned off making them appear feminine but also had much more sperm production and sperm quality control.  The "sneaker males" often also changed roles to more masculine fish as they grew larger.


==Leslie case study==
==Leslie case study==
25,837

edits

Navigation menu