Stature & proportions in : Bergmann/Allen rules — and exceptions
Stature & proportions is introduced through language and place in , under “Bergmann/Allen rules — and exceptions.” The figure kept with that is 20. Do not line people up as better or worse. A population figure is not a cultural score. Readers get the mechanism, the map-like pattern (clines and patches), and the misconceptions that turn traits into racial folklore.
No. Traits can vary by place without slicing humanity into ranked subspecies. Because curiosity about bodies is valid — and unanswered curiosity is where race myths recruit. Only to explain mechanisms or public health. Averages never become league tables of worth. No. Clinical decisions need clinicians, not atlas pages.
By preferring review-level consensus and labeling open debates. A gradual change in trait frequency across geography, rather than a sharp racial border. Yes — dairying and malaria are classic feedback loops. See related diversity topics and the atlas page on genetic-distance myths.
The trait responds to concrete pressures: light, air, pathogens, diet or demographic history. Multiple genes and environments usually interact; single-gene bedtime stories are rare. Identify the selective or developmental pressure first. Separate measurement (what we can observe) from folk labels.
Say Stature & proportions with , “Bergmann/Allen rules — and exceptions,” and 20. The figure is not a grade of people.20
Figures to keep
- Year of the account
- 20
- Figure beside it
- 20
- Topic
- Stature & proportions
- Line about the life
- Bergmann/Allen rules — and exceptions
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