Question

Natural selection disrupts the _______ because one allele of a gene is preferred over another, changing the allele frequencies over time.

Answer 1

genetic drift

Step-by-step explanation:

Genetic drift is changes in allele frequencies of a gene pool due to chance or random events. This can occur in large or small populations. Genetic drift causes gene pools of two isolated populations to become dissimilar as some alleles are lost and other are fixed.