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प्रश्न
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.
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उत्तर
- A - stabilising; B - directional; C - disruptive;
- Graph A - Stabilising
Graph B - Directional
Graph C - Disruptive
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संबंधित प्रश्न
State Hardy-Weinberg’s principle.
How does the Hardy-Wienberg equation explain genetic equilibrium?
A population will not exist in Hardly Weiberg equilibrium if ____________.
“Migration may enhance or blurr the effects of selection”. Comment.
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?
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).
Which one of the following factors will not affect the Hardy-Weinberg equilibrium?
What is the primary statement of Hardy-Weinberg's principle?
How does gene migration or gene flow affect allele frequencies?
Why are alleles present in homozygous recessive organisms exposed to environmental selection?
