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प्रश्न
How does the Hardy-Wienberg equation explain genetic equilibrium?
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उत्तर
=The Hardy-Weinberg equation is a mathematical equation that can be used to calculate the genetic variation of a population at equilibrium.
The Hardy-Weinberg equation is expressed as:
p2 + 2pq + q2 = 1
Where p is the frequency of the "A" allele and q is the frequency of the "a" allele in the population.
In the equation, p2 represents the frequency of the homozygous genotype AA, q2 represents the frequency of the homozygous genotype aa, and 2pq represents the frequency of the heterozygous genotype Aa.
In addition, the sum of the allele frequencies for all the alleles at the locus must be 1, so (p + q)2 = 1. If the p and q allele frequencies are known, then the frequencies of the three genotypes may be calculated using the Hardy-Weinberg equation.
In population genetics studies, the Hardy-Weinberg equation can be used to measure whether the observed genotype frequencies in a population differ from the frequencies predicted by the equation. If there is any difference in the frequencies, it indicates the extent of evolutionary change.
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संबंधित प्रश्न
p2 + 2pq + q2 = 1. Explain this algebraic equation on the basis of Hardy Weinberg's principle.
How does Hardy-Weinberg’s expression (p2+2pq+q2=1) explain that genetic equilibrium is maintained in a population? List any four factors that can disturb the genetic equilibrium.
In a certain population, the frequency of three genotypes is as follows:
| Genotypes: | BB | Bb | bb |
| frequency: | 22% | 62% | 16% |
What is the likely frequency of B and b alleles?
“Migration may enhance or blurr the effects of selection”. Comment.
Name the law that states that the sum of allelic frequencies in a population remains constant. What are the five factors that influence these values?
How is Hardy-Weinberg's expression “(p2 + 2pq + q2) = 1” derived?
List any two factors that can disturb the genetic equilibrium.
A population of 200 fruit flies is in Hardy Weinberg equilibrium. The frequency of the allele (a) 0.4. Calculate the following:
The number of homozygous dominant fruit flies.
A population of 200 fruit flies is in Hardy Weinberg equilibrium. The frequency of the allele (a) 0.4. Calculate the following:
The number of homozygous recessive fruit flies.
A population of 200 fruit flies is in Hardy Weinberg equilibrium. The frequency of the allele (a) 0.4. Calculate the following:
The number of carrier fruit flies.
