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Human brains have three layers of programming. Each layer adds a twist or turn to sexual preferences and tendencies. The first layer is genetic progamming from the inherited genes. The second involves environmental influences that impact genes and their expression. The third level deals with the way we "fill in the blanks" as social and cultural beings. This level can become a feedback loop that influences the inherited genes by influencing with whom we choose to have sex.

Human brains have three layers of programming. Each layer adds a twist or turn to sexual preferences and tendencies. The first layer is genetic progamming from the inherited genes. The second involves environmental influences that impact genes and their expression. The third level deals with the way we "fill in the blanks" as social and cultural beings. This level can become a feedback loop that influences the inherited genes by influencing with whom we choose to have sex.

Approximate author period: c. 1950 AD · modern

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Attribution & collection notes
Author or tradition
Darrel Ray
Attribution: attributed
Country attributed
Not established
A country attribution does not establish the earliest origin.
Historical period
Approximate author period: c. 1950 AD · modern
Approximate author-period evidence for Darrel Ray: documented birth year 1950; activity date not established. Wikidata Q5224568, inspected 2026-10-08. Not a quotation composition date or independent verification of attribution. Source: https://www.wikidata.org/wiki/Q5224568 (accessed 2026-10-08).
An author lifetime, approximate period or collection date is not necessarily the date when these words were first written or spoken.
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Supplied reference C; CSV row 317464; supplied attribution, independently unverified

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