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Epigenetics may be a critical factor contributing to homosexuality, study suggests

epigeneticsWhy does homosexuality occur?

Epigenetics is the term used for how gene expression is regulated by temporary switches called epi-marks.  Epi-marks appear to be a critical and overlooked factor contributing to the unanswered question of why homosexuality occurs.

A recent article found on Science Daily concerning this topic was authored by William Rice, a professor at the University of California, Santa Barbara, and Urban Friberg, a professor at Uppsala University in Sweden.