What is the biological significance of sexual reproduction?

The biological significance of sexual reproduction primarily lies in its ability to increase genetic diversity within a population. This process involves the combination of genetic materials from two parents, resulting in offspring that possess a unique mix of traits inherited from each parent.

Increased genetic diversity is crucial because it enhances a population's ability to adapt to changing environments, resist diseases, and increase survival chances. When individuals within a population exhibit a wide range of genetic variations, it allows for a greater chance that some members will have traits suited to survive specific environmental pressures. This adaptability is key to the concept of natural selection and plays a vital role in the evolutionary process.

In contrast, other options do not accurately represent the advantages of sexual reproduction. For instance, while sexual reproduction may affect mutation rates, its primary significance is not to reduce them. Similarly, it does not inherently maintain genetic stability nor does it result in decreased population size. Instead, it fosters a dynamic genetic environment that supports the long-term viability of species.