Wednesday, January 3, 2024

Scientists reveal bisexual genetics

AFP (MSN, 1/3/24); Ananda (Dharma Buddhist Meditation), CC Liu (eds.), Wisdom Quarterly
Can we say heteroflexible or abrosexual? Lesbian sounds gross, and bi makes gays hate us.

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Rainbow flag at LGBTIQ+ (lesbian, gay, bi-
sexual, trans, intersex, queer) (Pau Barrena)
For the first time, scientists have identified genetic variations associated with human bisexual behavior and found these markers are linked to risk-taking and having more offspring when they are carried by heterosexual men.

University of Michigan Prof. Jianzhi "George" Zhang, senior author of the new research, told AFP it helped answer the long-standing evolutionary puzzle of why [Wallace and Darwin's] natural selection has not eliminated the genetics underpinning [homosexual] attraction within the same sex.
CIA has made gender and sex a mess.
The study, published Wednesday in Science Advances, was based on data from more than 450,000 people of European descent who signed up for the UK Biobank, a long-term genomics project that has proven a major boon for health research.

It builds on growing research including a seminal 2019 paper in Science that found genetic variants influenced to some extent whether a person engaged in same-sex behavior, though environmental factors [like being molested or traumatized in childhood] were more important.

"We realized that in the past, people lumped together all homosexual behavior...but actually there's a spectrum," Prof. Zhang said, explaining part of the motivation for the new work. More

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