Plants that increase stem extension in response to shading are said to exhibit a shade avoidance response.

As shading increases, the R:FR ratio decreases. Shade means far red light

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#XL - T Zoology

TLS Online TPP Program

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#XL - T Zoology

Amount of change in allele frequency

                        

frequency of G2 will increase and the  frequency of G1 will decrease                      frequency of G1 will increase and the frequency  of G2 will decrease

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#XL - T Zoology

The overall change in allelic frequency

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#XL - T Zoology

Determining allelic frequencies at equilibrium

      

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Migration

Change in the allelic frequencies is the influx of genes from other populations, commonly called migration or gene flow

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#XL - T Zoology