Which of the following statements are true about the Bottleneck Effect?
It occurs due to the selective advantage of certain genetic variations.
It leads to an increase in gene diversity within a population.
It is caused by the colonization of new habitats.
It results in a severe reduction in the gene diversity of a population.
The Bottleneck Effect is characterized by a drastic reduction in the population size, leading to a loss of genetic diversity and an increase in the frequency of certain alleles. Hence, option 4 is the correct answer.