Why are the gene pools of small populations reduced compared to those of larger populations?

Question

inbreeding

lack of advantageous traits

lack of suitable mates

bottleneck events

Answer 1

All of the above factors contribute to reducing the gene pool of small populations compared to larger populations. Inbreeding can lead to an increase in harmful recessive traits, while a lack of advantageous traits can limit the ability of the population to adapt to changing environments. Additionally, a lack of suitable mates can reduce genetic diversity, and bottleneck events, such as natural disasters or human activities, can drastically reduce the number of individuals in a population, further limiting genetic variation.