Hardy-Weinberg Equilibrium Flashcards
What does hardy-weinberg show?
A null model for understanding population genetics - to compare real population data to
What are the 5 conditions assumed under hardy weinberg?
- No genetic drift
- No gene flow (i.e: immigration or emigration)
- No sexual selection = random mating
- No mutations
- No natural selection - all traits are equal for survival
What is allelic frequency?
the proportion of an allele in the gene pool as compared with other alleles at the same locus, with no regards to their distribution in the organism
what is p in the HW equation?
p = the dominant allele
what is q in the HW equation
q = recessive allele
Which equation would you use to calculate allele frequencies?
p + q = 1
Which equation would you use to figure out genotypic frequencies?
p² + 2pq + q² = 1
What is p²
the homozygous dominant genotype
What is q²
The homozygous recessive genotype
what is 2pq?
The heterozygous dominant genotype