Difference between revisions of "Bottleneck"
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{{Definition|title=Bottleneck |definition=Bottleneck is a sudden decrease of the [[population]] in size, usually due to adverse environmental factors. | {{Definition|title=Bottleneck |definition=Bottleneck is a sudden decrease of the [[population]] in size, usually due to adverse environmental factors. | ||
| − | During bottlenecks, a population shrinks temporarily and therefore loses genetic variation. Bottlenecks also result from alterations in gene flow such as decreased migration, expansions into new habitats, or population subdivision.}} | + | During bottlenecks, a population shrinks temporarily and therefore loses genetic variation. Bottlenecks also result from alterations in gene flow such as decreased migration, expansions into new habitats, or population subdivision.<ref>Solomon, E. P., Berg, L. R., & Martin, D. W. (2002). Biology, sixth edition. (N. Rose, Ed.). Stamford, CT: Thomson Learning.</ref>}} |
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| + | ==References== | ||
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Revision as of 19:05, 25 May 2009
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Definition of Bottleneck:
Bottleneck is a sudden decrease of the population in size, usually due to adverse environmental factors.
During bottlenecks, a population shrinks temporarily and therefore loses genetic variation. Bottlenecks also result from alterations in gene flow such as decreased migration, expansions into new habitats, or population subdivision.[1]
This is the common definition for Bottleneck, other definitions can be discussed in the article
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References
- ↑ Solomon, E. P., Berg, L. R., & Martin, D. W. (2002). Biology, sixth edition. (N. Rose, Ed.). Stamford, CT: Thomson Learning.
Please note that others may also have edited the contents of this article.
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