With the recent explosion in molecular techniques in the biological sciences, is is quite evident that molecular and genetic properties are largely the ultimate cause in regulating any physiological process. Sex-change is no different.
For such a process to occur, the information on the process has to be coded in the genome of the organism. While the specific sequence of DNA responsible for sex-change has not yet been identified, there are a number of molecular agents implicated to be involved in the sex-change process.
The H-Y Antigen
A colony of Dascyllus aruanus and D. reticulatus around an Acropora coral head. N. GBR, Australia. Photo by C.L. Rice
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