BIO 260- Population Genetics (POPGEN)
1. Population Genetics (popgen): examines the genetic composition/variation of groups of individuals
and how their composition changes with time.
ex. '1 in 30 Caucasians carry CF gene' (popgen description of 1/20K genes)
ex. 1 in 10000 babies are born with...
have a common set
2. Mendelian Population: group of interbreeding, sexually reproducing individuals that
of genes
3. Gene Pool: all the genes that are in a population.
4. Evolution: Changes to the gene pool equals:
5. Genotypic; allelic: and frequencies describe a population's
gene pool.
6. percent of a certain genotype (sum = 1): Genotype frequency (f)
1/3
, 7. number of homozygous dominant individuals divided by population size (n): f
(AA) (p^2)
8. number of heterozygous individuals divided by population size (n): f(Aa) (2pq)
9. number of homozygous recessive individuals/population size (n): f(aa) (q^2)
10. Allele Frequency: percent of a certain allele in a population (sum = 1)
-% of a certain gamete in a population
11. number of copies of the allele divided by the number of copies of all alleles
at the locus: Frequency of an allele equals:
12. (2NAA+NAa)/2N: p=
13. (2Naa+nAa)/2N: q=
14. Ïp=1 then all organisms are AA genotype
Ïq=1 then all organisms are aa genotype s of genes in Hardy
2/3
1. Population Genetics (popgen): examines the genetic composition/variation of groups of individuals
and how their composition changes with time.
ex. '1 in 30 Caucasians carry CF gene' (popgen description of 1/20K genes)
ex. 1 in 10000 babies are born with...
have a common set
2. Mendelian Population: group of interbreeding, sexually reproducing individuals that
of genes
3. Gene Pool: all the genes that are in a population.
4. Evolution: Changes to the gene pool equals:
5. Genotypic; allelic: and frequencies describe a population's
gene pool.
6. percent of a certain genotype (sum = 1): Genotype frequency (f)
1/3
, 7. number of homozygous dominant individuals divided by population size (n): f
(AA) (p^2)
8. number of heterozygous individuals divided by population size (n): f(Aa) (2pq)
9. number of homozygous recessive individuals/population size (n): f(aa) (q^2)
10. Allele Frequency: percent of a certain allele in a population (sum = 1)
-% of a certain gamete in a population
11. number of copies of the allele divided by the number of copies of all alleles
at the locus: Frequency of an allele equals:
12. (2NAA+NAa)/2N: p=
13. (2Naa+nAa)/2N: q=
14. Ïp=1 then all organisms are AA genotype
Ïq=1 then all organisms are aa genotype s of genes in Hardy
2/3
