Tuesday, 6 February 2007

"Low genetic component" to same sex attraction

Same sex attraction (SSA) as shown by twin studies is predominantly due to highly individual reactions to things, people or occurrences in the environment, and has an unusually low contribution from genetics, pre-natal influences or post-natal upbringing. Twin studies sum up all possible influences known or even those yet to be discovered. By contrast, for opposite sex attraction (OSA), the accidental component is quite low and common factors predominate. This argument (Whitehead, 2007) is based on data published in the last seven years and universally accepted. Read more

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