Random mutations contribute to genetic diversity from "summary" of The Origin of Species by Charles Darwin
Random mutations are a key factor in the process of evolution, as they have the potential to introduce new variations in the genetic makeup of a population. These mutations occur spontaneously, without any direction or purpose, and can result in changes to the DNA sequence of an organism. This can lead to differences in physical traits, behavior, and other characteristics that may offer advantages or disadvantages in the struggle for survival. When a mutation occurs in an individual, it can be passed on to its offspring, thereby spreading through the population over time. This process of genetic inheritance is crucial for the accumulation of variations that can drive evolutionary change. The diversity generated by these mutations is essential for enabling populations to adapt to changing environments, as it provides a pool of different traits that can be selected for or against depending on the prevailing conditions. In this way, random mutatio...
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