Biology 204
Population Growth
Hardy-Weinberg Equilibrium
Genetic Drift
Natural Selection
Population Growth
User Inputs
r
k
Initial pop size
Generations
Exponential Growth
Logistic growth
Equations
$$n(t) = n_0 \cdot e^{t \cdot r}$$ $$\frac{dn}{dt} = n \cdot r$$
Equations
$$n(t) = \frac{n_0 \cdot k \cdot e^{t \cdot r}}{k + n_0 \cdot e^{t \cdot r} - 1} $$ $$\frac{dn}{dt} = n \cdot r \left ( 1 - \frac{n}{k} \right )$$
Hardy-Weinberg Equilibrium
User Inputs
Proportion of allele A
Allele A is dominant
Genetic Drift
User Inputs
Starting proportion
Number of populations
Show mean of populations
Population size
Number of alleles
Track an allele
Population size
Number of generations
Re-run
Tracking populations
Tracking alleles
Natural Selection
User Inputs
Initial proportion allele A
Number of generations
Allele A is dominant
Fitness of phenotype 1
Fitness of phenotype 2
Fitness of phenotype 1
Fitness of phenotype 2
Fitness of phenotype 3
Anemia death rate
Malaria death rate
Use realistic death rate values
Initial proportion of carriers
Population size
Simulate results
Re-run
Natural selection simulation
Sickle-cell anemia