Foundation stock

Apr 22, 2026 - 04:40
0 0
Foundation stock

Disambiguating links to Population (link changed to Population (human biology)) using DisamAssist.

← Previous revision Revision as of 23:09, 21 April 2026
Line 9: Line 9:


Related concepts include:
Related concepts include:
* [[Founder effect]] - the loss of [[genetic variation]] that occurs when a new [[population]] is established by a very small number of individuals from a larger population.{{cite web |title=Bottlenecks and founder effects - Understanding Evolution |url=https://evolution.berkeley.edu/bottlenecks-and-founder-effects/ |website=University of Californat, Berkeley |access-date=6 October 2022 |date=7 October 2021}}{{cite journal |pmid=15280221 |pmc=1470966 |url=http://www.genetics.org/cgi/pmidlookup?view=long&pmid=15280221 |year=2004 |last1=Provine |first1=W. B. |author-link=Will Provine |title=Ernst Mayr: Genetics and speciation |journal=Genetics |volume=167 |issue=3 |pages=1041–6 |doi=10.1093/genetics/167.3.1041 }} It is a special case of [[genetic drift]], where subsequent generations may have less genetic variation than the original population, which leads to [[Fixation (population genetics)|fixation]]. On one hand, fixed traits are what creates a standardized breed of animal, but if the level of [[inbreeding]] becomes significant, it can make the new population more vulnerable to extinction.{{Cite book|title=Campbell biology, AP edition|date=2011|publisher=Pearson Education/Benjamin Cummings|last=Reece|first=Jane B.|isbn=978-0-13-137504-8|edition=9th|location=Boston, MA|oclc=792861278}} Founder effect can also lead to the development of new species.{{cite web |title=Founder Effect |url=https://www.genome.gov/genetics-glossary/Founder-Effect |website=Genome.gov |access-date=6 October 2022 |language=en}}
* [[Founder effect]] - the loss of [[genetic variation]] that occurs when a new [[Population (human biology)|population]] is established by a very small number of individuals from a larger population.{{cite web |title=Bottlenecks and founder effects - Understanding Evolution |url=https://evolution.berkeley.edu/bottlenecks-and-founder-effects/ |website=University of Californat, Berkeley |access-date=6 October 2022 |date=7 October 2021}}{{cite journal |pmid=15280221 |pmc=1470966 |url=http://www.genetics.org/cgi/pmidlookup?view=long&pmid=15280221 |year=2004 |last1=Provine |first1=W. B. |author-link=Will Provine |title=Ernst Mayr: Genetics and speciation |journal=Genetics |volume=167 |issue=3 |pages=1041–6 |doi=10.1093/genetics/167.3.1041 }} It is a special case of [[genetic drift]], where subsequent generations may have less genetic variation than the original population, which leads to [[Fixation (population genetics)|fixation]]. On one hand, fixed traits are what creates a standardized breed of animal, but if the level of [[inbreeding]] becomes significant, it can make the new population more vulnerable to extinction.{{Cite book|title=Campbell biology, AP edition|date=2011|publisher=Pearson Education/Benjamin Cummings|last=Reece|first=Jane B.|isbn=978-0-13-137504-8|edition=9th|location=Boston, MA|oclc=792861278}} Founder effect can also lead to the development of new species.{{cite web |title=Founder Effect |url=https://www.genome.gov/genetics-glossary/Founder-Effect |website=Genome.gov |access-date=6 October 2022 |language=en}}
*[[Designer crossbred]] - Usually describes F1 crosses between two different animal breeds.
*[[Designer crossbred]] - Usually describes F1 crosses between two different animal breeds.
*[[Population bottleneck]] - when [[Genetic drift]] occurs more rapidly on account of a dramatically diminished population size.
*[[Population bottleneck]] - when [[Genetic drift]] occurs more rapidly on account of a dramatically diminished population size.
Read More