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प्रश्न
List any two factors that can disturb the genetic equilibrium.
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उत्तर
Factors that affect Hardy-Weinberg equilibrium or genetic equilibrium:
- Gene migration or gene flow
- Genetic drift
- Mutation
- Genetic recombination
- Natural Selection
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संबंधित प्रश्न
What does the following equation represent? Explain:
p2 + 2pq + q2 = 1.
With the help of an algebraic equation, how did Hardy-Weinberg explain that in a given population the frequency of occurrence of alleles of a gene is supposed to remain the same through generations?
State Hardy-Weinberg’s principle.
What is the Founder's effect?
In a population, Hardy Weinberg equilibrium is disturbed by following factors EXCEPT ______.
(p + q)2 = p2 + 2pq + q2 = 1 represents an equation used in ______.
“Migration may enhance or blurr the effects of selection”. Comment.
How is Hardy-Weinberg's expression “(p2 + 2pq + q2) = 1” derived?
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.
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 |
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| 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.
