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Following is the diagrammatic representation of the operation of natural selection on different traits . Which of the following options correctly identifies all the three graphs A , B and C ?

Option: 1
A B C
Directional Stabilising Disruptive

 


Option: 2
A B C
Stabilising Directional Disruptive

Option: 3
A B C
Disruptive Stabilising Directional

Option: 4
A B C
Directional Disruptive Stabilising

Answers (1)

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As we learnt,

Directional or progressive selection -

In this selection, the population changes towards one particular direction along with change in environment. 

- wherein

In this, individual at one extreme (less adapted) are eliminated while individuals at other extremes (more adapted) are favoured. 

 

 

 

Posted by

manish painkra

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