How does natural selection impact microgenetics?

Natural selection significantly influences microgenetics by favoring alleles that contribute to an organism's ability to survive and reproduce in its environment. This process is a key mechanism of evolution, as it leads to the adaptation of populations over time. Alleles that confer advantages, such as better camouflage, disease resistance, or improved foraging efficiency, are more likely to be passed on to subsequent generations.

This selective pressure alters the frequency of these beneficial alleles in the gene pool, enhancing the overall fitness of the population. Through this mechanism, traits that increase the likelihood of survival and successful reproduction become more common in the population, while less advantageous traits may diminish or disappear.

Overall, natural selection is a driving force behind the changes observed in genetic variation within populations, fundamentally shaping the genetic landscape over generations.