How does the number of generations per year influence the likelihood of seeing a response to natural selection once a new host plant has been colonized?

As the generations are increasing or gets much over time, we have a more likelihood of seeing a response to natural selections as the favourable alleles are going to be moved from one generation to the next while those that are not favourable would be eliminated over generations.

If the new host gives allowance for early reproduction and ease of access then the generations each year would rise.

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annyksl annyksl · Answer 2 · 2021-11-11T20:59:41+01:00

The number of generations per year allows an increase in the number of genes favorable to the environment while decreasing the number of unfavorable genes, promoting a greater possibility of natural selection.

We can arrive at this answer because:

As host plants have been colonized, those that do not have genes favorable to the environment will promote fewer offspring and die earlier.

On the other hand, plants with adapted genes will resist the pressure of the environment and will live longer, generating a large number of offspring.

Favorable genes will be passed between generations, while unfavorable genes will not pass.

The greater the number of generations per year, the greater the prevalence of favorable genes, until the entire population has these genes.

At this point, we can consider that natural selection took place.

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