Which of these is an assumption of the Hardy-Weinberg equilibrium?
The assumptions of the Hardy-Weinberg equilibrium equations are: 1) the population is very large, 2) the population is closed, meaning that there are no individuals immigrating into or emigrating out of the population, 3) there are no mutations occurring on the gene in question, 4) individuals within the population are …
What are the five conditions for Hardy-Weinberg equilibrium quizlet?
Terms in this set (5)
- No mutations. The gene pool is modified if mutations alter alleles or if entire genes are deleted or duplicated.
- Random mating.
- No natural selection.
- Extremely large population size (no genetic drift)
- No gene flow (emigration, immigration, transfer of pollen, etc)
What are the assumptions of the Hardy-Weinberg equilibrium quizlet?
What are the assumptions of Hardy-Weinberg Equilibrium? large populations, no genetic drift, no natural selection/mutation or migration, no assortative mating /sexual selection or inbreeding.
What are the factors affecting Hardy-Weinberg equilibrium?
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.
Why is there a 2 in 2pq?
Explanation: 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).
How do you know if a population is in equilibrium?
A population of alleles must meet five rules in order to be considered “in equilibrium”: 1) No gene mutations may occur and therefore allele changes do not occur. 2) There must be no migration of individuals either into or out of the population. 3) Random mating must occur, meaning individuals mate by chance.
Which condition is not required for a population to be at Hardy-Weinberg equilibrium quizlet?
Terms in this set (10) very large population (genetic drift doesn’t occur), no emigration or immigration, no mutations, random mating, no natural selection.
What conditions are needed for a population to be in Hardy-Weinberg equilibrium quizlet?
Terms in this set (5)
- The population is very large.
- The population is isolated (no migration of individuals, or alleles, into or out of the population).
- Mutations do not later the gene pool.
- Mating is random.
- All individuals are equal in reproductive success (no natural selection).
Why is the concept of Hardy-Weinberg equilibrium useful for evaluating natural selection?
The Hardy-Weinberg Theorem demonstrates that Mendelian loci segregating for multiple alleles in diploid populations will retain predictable levels of genetic variation in the absence of forces that change allele frequencies.
How do gene frequencies behave in Hardy-Weinberg equilibrium?
When a population is in Hardy-Weinberg equilibrium for a gene, it is not evolving, and allele frequencies will stay the same across generations. There are five basic Hardy-Weinberg assumptions: no mutation, random mating, no gene flow, infinite population size, and no selection.
What are the factors that affect equilibrium in a population?
-The factors that affect the genetic equilibrium and induce the variability in the population are as follows: mutations, recombinations during sexual reproduction, genetic drift, gene migration or gene flow, and natural selection.
What are the five factors that act to change allele frequencies?
Allele frequencies of a population can be changed by natural selection, gene flow, genetic drift, mutation and genetic recombination. They are referred to as forces of evolution.
What must be true for Hardy Weinberg equilibrium?
The Hardy-Weinberg equilibrium will hold true only when the participating organisms are diploid, and if they reproduce sexually. The population also must be very large, and the mating must be random. There must also be no mutation, migration or selection.
How can the Hardy-Weinberg equation be calculated?
The Hardy-Weinberg equation used to determine genotype frequencies is: p 2 + 2pq + q 2 = 1. Where ‘p 2‘ represents the frequency of the homozygous dominant genotype (AA), ‘2pq‘ the frequency of the heterozygous genotype (Aa) and ‘q 2‘ the frequency of the homozygous recessive genotype (aa).
What are the conditions of Weinberg equilibrium?
The first condition that must be met for Hardy-Weinberg equilibrium is the lack of mutations in a population. The second condition that must be met for Hardy-Weinberg equilibrium is no gene flow in a population. The third condition that must be met is the population size must be sufficient so that there is no genetic drift.
What is 2pq in the Hardy-Weinberg equation?
In the Hardy-Weinberg equation, “2pq” stands for the frequency of heterozygotes. [q] When using the Hardy-Weinberg equation to analyze a gene in a population’s gene pool, the observable quantity that will let you figure out everything else is…