Which statement about the Dobzhansky-Muller model of speciation statement is false?
A) A single ancestral population is assumed to be subdivided into two descendent populations.
B) Descendent populations evolve independently, and an allele arises and becomes fixed in one of the descendent lineages.
C) An allele becomes fixed at a different gene locus in one population in comparison with the other population.
D) Independent lineages can hybridize, but the hybrid offspring that result are inferior or may die.
E) Genetic changes can occur only in a single lineage.

Question

Quizplus · Accepted Answer

This statement is false. The Dobzhansky-Muller model allows for genetic changes to occur independently in both lineages, which can lead to genetic incompatibilities when the two lineages come back into contact.

Which Statement About the Dobzhansky-Muller Model of Speciation Statement Is