Knowing p and q, it is a simple matter to plug these values into the Hardy-Weinberg equation (p² + 2pq + q² = 1). This then provides the predicted frequencies of all three genotypes for the selected trait within the population.
What does the Hardy-Weinberg equation calculate?
The Hardy-Weinberg equation is a mathematical equation that can be used to calculate the genetic variation of a population at equilibrium. … If the p and q allele frequencies are known, then the frequencies of the three genotypes may be calculated using the Hardy-Weinberg equation.
What are the 5 principles of the Hardy-Weinberg Theorem?
The conditions to maintain the Hardy-Weinberg equilibrium are: no mutation, no gene flow, large population size, random mating, and no natural selection. The Hardy-Weinberg equilibrium can be disrupted by deviations from any of its five main underlying conditions.
How do you calculate heterozygote frequency?
The frequency of heterozygous individuals. Answer: The frequency of heterozygous individuals is equal to 2pq. In this case, 2pq equals 0.32, which means that the frequency of individuals heterozygous for this gene is equal to 32% (i.e. 2 (0.8)(0.2) = 0.32).
What are the 5 evolutionary mechanisms?
There are five key mechanisms that cause a population, a group of interacting organisms of a single species, to exhibit a change in allele frequency from one generation to the next. These are evolution by: mutation, genetic drift, gene flow, non-random mating, and natural selection (previously discussed here).
How do you calculate allele frequencies?
An allele frequency is calculated by dividing the number of times the allele of interest is observed in a population by the total number of copies of all the alleles at that particular genetic locus in the population. Allele frequencies can be represented as a decimal, a percentage, or a fraction.
What are the five parameters that allow this equilibrium equation to work?
The Hardy-Weinberg model states that a population will remain at genetic equilibrium as long as five conditions are met: (1) No change in the DNA sequence, (2) No migration, (3) A very large population size, (4) Random mating, and (5) No natural selection.
Which Hardy-Weinberg equation relates the frequencies of the phenotypes for a gene?
Hardy’s equation said that p + q = 1, by which he meant that the sum of the frequencies of all the alleles in a gene pool equals 1.
What does the Hardy-Weinberg equation predict for the new P and Q?
What does the Hardy-Weinberg equation predict for the new p and q? That the frequency of AA alleles is 46% while the frequency of the aa alleles is 54%. 2. … The results that I obtained agree because it’s normal for the heterzygotes to be large in number because they can carry on both alleles.
Which genotype does PQ represent in the Hardy-Weinberg equation?
In the Hardy-Weinberg equilibrium equation ( p2+2pq+q2=1 ), the term 2pq represents the genotype frequency of heterozygotes (Aa) in a population in equilibrium. The term p2 represents the frequency of dominant homozygotes (AA) and the term q2 represents the frequency of recessive homozygotes (aa).