Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
hardy-weinberg equilibrium
|
for any two alleles (Aa), let p and q represent the frequency of those alleles (so p squared=AA and q squared=aa and 2pq=2Aa
if all three possible genotypes mate with one another, in the next generation the frequencies will be equal to p squared + 2pq + q squared=1 |
|
gene frequency
|
ch
|
|
population genetics
|
fh
|
|
gene flow
|
dsfg
|
|
immigration
|
rfg
|
|
emigration
|
sgk
|
|
inbreeding
|
drkg
|
|
monogamy
|
sdg
|
|
serial monogamy
|
dfg
|
|
polygamy
|
dgh
|
|
polygyny
|
gh
|
|
polyandry
|
serdg
|
|
founder effect
|
shows that chance events can affect gene frequencies in unexpected ways
|
|
genetic drift
|
change in allele frequencies in small isolated populations due to random events
|
|
isolating mechanism
|
any factor that acts to reduce or block the flow of genes between two populations
|
|
reproductive isolating mechanism
|
temporal, mechanical, behavioral, ecological
|
|
temporal isolating mechanism
|
population becomes isolated in time
|
|
behavioral isolating mechanism
|
changes in behavior, especially courtship and mating behavior
|
|
mechanical isolating mechanism
|
the parts no longer fit together; could be extreme difference in size, change in shape of genitalia, most in plants
|
|
ecological isolating mechanism
|
dont meet, dont mate; species that have ecological races - specialized to live in a particular habitat
|
|
species
|
sfg
|