One hypothesis proposed to account for intron-exon arrangements found in genes is called
A)intron shuffling.
B)exon shuffling.
C)domain shuffling.
D)functional domain shuffling.

Question

Quizplus · Accepted Answer

Exon shuffling is a hypothesis that explains the presence of intron-exon arrangements in genes. This hypothesis suggests that exons were duplicated, removed and/or recombined throughout evolution leading to the present-day organization of exons and introns within genes. This process can result in the generation of new proteins with novel functions. In contrast, the other choices (A, C, and D) do not specifically address the origin of intron-exon arrangements in genes.

One Hypothesis Proposed to Account for Intron-Exon Arrangements Found in Genes