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Question
Give the graphical representation of Hardy· Weinberg's principle in the form of Punnet Square.
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Solution
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Multiple choice question.
In Hardy - Weinberg equation, the frequency of homozygous recessive individual is represented by:
Explain how mutations, natural selection and genetic drift affect Hardy Weinberg equilibrium.
In the Hardy-Weinberg equilibrium equation, the homozygous mutant is represented as ______.
Which type of selection explains industrial melanism observed in moth, Biston bitularia?
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.
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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.
Give a mathematical expression for 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 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.
