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Question
List any two factors that can disturb the genetic equilibrium.
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Solution
Factors that affect Hardy-Weinberg equilibrium or genetic equilibrium:
- Gene migration or gene flow
- Genetic drift
- Mutation
- Genetic recombination
- Natural Selection
RELATED QUESTIONS
Differentiate between Directional natural selection and Disruptive natural selection.
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.
In a population, Hardy Weinberg equilibrium is disturbed by following factors EXCEPT ______.
(p + q)2 = p2 + 2pq + q2 = 1 represents an equation used in ______.
Disturbance of Hardy - Weinberg equilibrium results in
For the MN-blood group system, the frequencies of M and N alleles are 0.7 and 0.3, respectively. The expected frequency of MN-blood group bearing organisms is likely to be ______.
Enumerate three most characteristic criteria for designating a Mendelian population.
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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| 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.
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.
