Later, John
--- Christopher Gutmann <cgutmann-in-dupageforest.com>
wrote:
> The problem with genetic drift is that it can result
> the reduction of
> alleles and loss of variability. If this happens,
> then a species would
> be less able to "adapt." That is why there is an
> emphasis on avoiding
> genetic drift in captive propagation projects.
> Genetic drift in captive
> breeding programs does not increase the genetic
> arsenal / variability of
> a species. The smaller the gene pool, the more
> likely genetic drift
> will occur. Ideally, the purpose of a captive
> breeding project of a
> declining species is to maintain its complete
> genetic arsenal while
> attempting to increase the abundance of that
> species. This, of course,
> is easier said than done. Many zoos involved in
> species survival plans
> employ individuals whose sole purpose is to track
> and plan pedigrees
> with other zoos in an effort to minimize the loss of
> genetic diversity
> and attempt to prevent genetic drift in captive
> breeding programs.
>
> Chris Gutmann
> Salt Creek, IL
John Cox of Cumberland Killifish
Honey Robber beekeeping and removal services
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