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Genetic variability

Definition

noun

(1) The tendency of individual genetic characteristics in a population to vary from one another.

(2) The potential of a genotype to change or deviate when exposed to environmental or genetic factors.


Supplement

Genetic variability is different from genetic diversity (or genetic variation) in a way that the former measures how much the trait or the genotype will tend to vary whereas the latter measures the number of the actual variation of species in a population. Compared with genetic diversity, genetic variability is more difficult to measure. At the molecular level, genetic variability may be measured by determining the rate of mutation.


Compare: genetic diversity


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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 ... TT, Tt, tt all breeding with these females increases the chance of variability within a population, hence preserving genetical diversity rather ...

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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: 2761

Re: 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 ... TT, Tt, tt all breeding with these females increases the chance of variability within a population, hence preserving genetical diversity rather ...

See entire post
by Amphibitile
Sun Jun 23, 2013 8:01 pm
 
Forum: Human Biology
Topic: unbalanced gender ratios of offspring
Replies: 6
Views: 2761

Bio Research Paper Writing

... DDR serves as a front line of defense against the genetic changes associated with these viruses so viruses has evolved to evade ... A study of MCMV (mouse cytomegalovirus) using 5 coefficients of variability: VB9, VB9, VB10, and VB14 has shown that VB9, VB10, and VB14 ...

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by NathanielZhu
Thu Apr 04, 2013 2:25 am
 
Forum: General Discussion
Topic: Bio Research Paper Writing
Replies: 1
Views: 7990

Vaccine for HIV

... be categorized into multiple clades and subtypes with a high degree of genetic divergence. Therefore, the immune responses raised by any vaccine need to be broad enough to account for this variability. Any vaccine that lacks this breadth is unlikely to be effective. The ...

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by suzidoc8
Mon Jul 23, 2012 2:47 pm
 
Forum: Microbiology
Topic: Vaccine for HIV
Replies: 1
Views: 6149

Re: Excluding One of Darwin's Postulates: What Would Happen?

Speaking of genetic drift, I've got another question: Can genetic drift cause adaptive evolution? A ... drift. It says that drift can lead to non-adaptive evolution by reducing genetic variability within a population and causing fixation or extinction or unfavourable and favourable ...

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by immunogoblin
Sun Jun 03, 2012 3:58 am
 
Forum: Evolution
Topic: Excluding One of Darwin's Postulates: What Would Happen?
Replies: 4
Views: 2238
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