Answer:
Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool. Genetic drift can also cause a new population to be genetically distinct from its original population, which has led to the hypothesis that genetic drift plays a role in the evolution of new species.
Explanation:
The answer is C) Ecological niches become available for organisms to evolve into by adaptive radiation
B. Half of the total genetic information
