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प्रश्न
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?
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उत्तर
Hardy-Weinberg's principle states that the sum of allelic frequencies in a population remains constant. Five factors are known to affect Hardy-Weinberg equilibrium. These are gene migration or gene flow, genetic drift, mutation, genetic recombination and natural selection.
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संबंधित प्रश्न
According to the Hardy-Weinberg principle, the allele frequency of a population remains constant. How do you interpret the change of frequency of alleles in a population?
Multiple choice question.
In Hardy - Weinberg equation, the frequency of homozygous recessive individual is represented by:
Very short answer question.
State the Hardy – Weinberg equilibrium.
A population will not exist in Hardly Weiberg equilibrium if ____________.
Hardy Weinberg's principle explains ______
Hardy - Weinberg equilibrium is known to be affected by gene - flow, genetic drift, mutation, genetic recombination and
Which type of selection explains industrial melanism observed in moth, Biston bitularia?
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?
How is Hardy-Weinberg’s expression “(p2 + 2pq + q2) = 1” derived?
The graphs below show three types of natural selection. The shaded areas marked with arrows show the individuals in the population who are not selected. The dotted vertical lines show the statistical means.
 |
 |
 |
| character Graph A |
character Graph B |
character Graph C |
- What names are given to the types of selection shown in graphs A, B and C?
- After the selection has operated for several generations in the above populations indicated as, Graph A, B and C, graphically illustrate the probable results.
Explain Hardy-Weinberg's principle
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.
What does the Hardy-Weinberg equation \[p^2 + 2pq + q^2 = 1\] represent?
What evolutionary phenomenon occurs when a small portion of a population migrates to a new location and becomes founders of a distinct population?
What does genetic drift cause in a population, particularly in new samples of a population?
What does it indicate when the measured frequency of an allele differs from the expected Hardy-Weinberg value?
Which condition for Hardy-Weinberg equilibrium specifically eliminates random fluctuations in allele frequency?
