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Population characteristics

population characteristics

(Science: epidemiology) Qualities and characterization of various types of populations within a social or geographic group, with emphasis on demography, health status, and socioeconomic factors.


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Why similar features are preserved in a gigantic population?

... Japanese (except the native Ainu) resemble each other. All have common characteristics as epicanthic fold, oblique eyes, slightly marked brow ridges, ... features that now. It is very rare. Supposedly in a such a large population should have varied much more .. This is what I do not understand ..

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by Goldentiger
Mon Jul 14, 2014 1:22 am
 
Forum: Human Biology
Topic: Why similar features are preserved in a gigantic population?
Replies: 2
Views: 619

The Selfish Gene

... in that book is a chain of cause and effect. Genes that have certain characteristics are more likely to propagate than other genes without those characteristics. It's the same process you see at the population level; he's just pointing out that it can happen at the gene level ...

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by Luxorien
Sat Nov 16, 2013 6:50 pm
 
Forum: Evolution
Topic: The Selfish Gene
Replies: 2
Views: 1948

Bio Research Paper Writing

... diseases like heart disease/alzheimers than individuals without such characteristics. One aspect of how chronic infections due to the cytomegalovirus ... 17. (CD8-Old-Population) http://www.sciencedirect.com.mutex.gmu.edu/science/article/pii/S0531556507001271 ...

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by NathanielZhu
Thu Apr 04, 2013 2:25 am
 
Forum: General Discussion
Topic: Bio Research Paper Writing
Replies: 1
Views: 12238

Characteristics of Good Indicator Organisms?

I need to determine why good indicator organisms are present in low numbers - <1% of the total population. I've tried researching, but most websites discuss why indicator organisms should be present in high concentrations (relative to pathogenic bacteria). Why do they ...

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by Entropy
Sun Oct 28, 2012 5:53 pm
 
Forum: Microbiology
Topic: Characteristics of Good Indicator Organisms?
Replies: 2
Views: 3886

Re: Natural selection ends in absurdity or nonsense

... the chance of survival and reproduction) to become more common in a population and causes harmful traits to become more rare” (Ref: Futuyma, ... A process in nature in which organisms possessing certain genotypic characteristics that make them better adjusted to an environment tend to ...

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by Forests
Wed Jul 18, 2012 10:10 pm
 
Forum: Evolution
Topic: Natural selection ends in absurdity or nonsense
Replies: 26
Views: 21825
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