Bio: chap. 16 Genes and Variation Flash Cards

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front	back	revisions	lasted changed by	history
list the factors of the hw principle	1. random mating is a must 2. LARGE population: must 3. no movement into or out of population 4. no mutations 5.	0	porkchoppony Thu, 04 Mar 2010 19:45:20 GMT
hardy weinburg principle	allele frequences in a population will remain constant unless one of more factors cause frequency to change.	0	porkchoppony Thu, 04 Mar 2010 19:45:20 GMT
founder effect	a situation in which allele frequencys change due to the migration of small subgroup of population	0	porkchoppony Thu, 04 Mar 2010 19:45:20 GMT
GENETIC DRIFT	random change in allele frequency	0	porkchoppony Thu, 04 Mar 2010 19:38:26 GMT
disruptive selection	individuals at upper or lower end of curve have higher fitness BOTH ENDS OF CURVE	0	porkchoppony Thu, 04 Mar 2010 19:38:26 GMT
stabilizing selection	individulals at center have higher fitness than at either end CENTER	0	porkchoppony Thu, 04 Mar 2010 19:38:26 GMT
directional selection	at one end of curve have higher fitness than the middle. ONE END OF CURVE	0	porkchoppony Thu, 04 Mar 2010 19:38:26 GMT
Polygenic traits	traits controlled by 2 or more genes	0	porkchoppony Thu, 04 Mar 2010 19:35:03 GMT
Single-gene trait	single gene; two alleles. DOWNWARD DIP IN CENTER.	0	porkchoppony Thu, 04 Mar 2010 19:35:03 GMT
relative frequency	number of times that the allele occurs in a Gene pool	0	porkchoppony Thu, 04 Mar 2010 19:35:03 GMT
gene pool	ALL GENES. from one population	0	porkchoppony Thu, 04 Mar 2010 19:35:03 GMT

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name: Bio: chap. 16 Genes and Variation
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created on: March 4, 2010
last updated: March 4, 2010

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