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Main Idea - Genetic Diversity

SATRW-SN156Q

A Dog's Eye View of Morphological Diversity, Liza Gross

Gross, Liza. "A Dog's Eye View of Morphological Diversity." PLOS Biology (2010): n. pag. Journals.plos.org. Web. 20 Mar. 2016.

"Not surprisingly, individuals within breeds share long stretches of identical sequence (ROHs) while individuals across different breeds—and African village dogs and wolves, which mate randomly—do not. Interestingly, different breeds share many more linked loci than wolves do, supporting the notion that dogs went through a genetic bottleneck during domestication. Even so, village dogs harbor more genetic diversity than the gray wolf, perhaps because they managed to keep their populations large enough to avoid inbreeding, unlike the relentlessly persecuted wolf."

What is the main point of this paragraph? (lines 52-58)

A

Dogs are more genetically complex within their breeds and overall are more diverse than wolves.

B

Dogs are more genetically similar within their breeds and overall are more diverse than the wolves.

C

Dogs are more genetically similar within their breeds and overall are more similar than the wolves.

D

Dogs are more genetically complex within their breeds and overall are more similar than wolves.