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Genetic diversity

Definition

noun

Genetic diversity refers to both the vast numbers of different species as well as the diversity within a species. The greater the genetic diversity within a species, the greater that species' chances of long-term survival. This is because negative traits (such as inherited diseases) become widespread within a population when that population is left to reproduce only with its own members.


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Brain size=IQ level theory (Blacks vs Whites & Asians)

No one doubts that genetics play a vital role in intelligence. But we're all creatures of genetics, aren't ... of researchers. The findings suggest that human migrations may have affected genetic diversity and that a population "bottleneck" may have been involved in the original ...

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by wildfunguy
Wed Jul 30, 2014 8:20 pm
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 73
Views: 287850

Re:

Apparently the genetic influences on IQ are at least as strong as the environmental influences, but this ... of researchers. The findings suggest that human migrations may have affected genetic diversity and that a population "bottleneck" may have been involved in the original ...

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by Seth90210
Fri May 23, 2014 4:23 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 73
Views: 287850

Does the thylacine still live?

... populations. Must also bear in mind if the numbers are that low genetic diversity becomes an issue and any offspring may be more susceptible to disease. So ...... ...

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by vk4vfx
Wed Nov 20, 2013 8:15 am
 
Forum: Zoology Discussion
Topic: Does the thylacine still live?
Replies: 4
Views: 3010

unbalanced gender ratios of offspring

... I personally think that the ratio is perhaps due to the preservation of genetic diversity. Most mammals tend to be polygynous, we can be either of polygamous or monogamous ...

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by wildfunguy
Sat Sep 07, 2013 10:47 pm
 
Forum: Human Biology
Topic: unbalanced gender ratios of offspring
Replies: 6
Views: 4855

Re: Re:

... these inferences, please tell us what your hypothesis is for the vast genetic diversity that we see today. The only way to prove the absence of evidence is to search for ...

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by Cat
Sat Jul 13, 2013 1:26 am
 
Forum: Evolution
Topic: CHALLENGE: Why should there be an “origin of species”?
Replies: 16
Views: 10109
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