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प्रश्न
What is the Founder's effect?
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उत्तर
Sometimes the change in allele frequency is so different in the new sample of population that they become a different species. The original drifted population becomes founder and the effect is called founder effect.
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संबंधित प्रश्न
What does the following equation represent? Explain:
p2 + 2pq + q2 = 1.
p2 + 2pq + q2 = 1. Explain this algebraic equation on the basis of Hardy Weinberg's principle.
State Hardy-Weinberg’s principle.
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?
Very short answer question.
State the Hardy – Weinberg equilibrium.
A population will not exist in Hardly Weiberg equilibrium if ____________.
In a population, Hardy Weinberg equilibrium is disturbed by following factors EXCEPT ______.
Disturbance of Hardy - Weinberg equilibrium results in
The factor that leads to the Founder effect in a population is ______
Which type of selection explains industrial melanism observed in moth, Biston bitularia?
Among the five factors that are known to affect Hardy-Weinberg equilibrium, three factors are gene flow, genetic drift and genetic recombination. What are the other two factors?
State and explain any three factors affecting allele frequency in populations.
“Migration may enhance or blurr the effects of selection”. Comment.
List any two factors that can disturb the genetic equilibrium.
At a particular locus, the frequency of allele A is 0.8, and that of allele a is 0.2. What would be the frequency of heterozygotes in a random mating population at equilibrium?
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
Write Hardy Weinberg's equation.
State 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:
Frequency of the allele (A).
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.
Which one of the following factors will not affect the Hardy-Weinberg equilibrium?
