Which sentence from this selection reveals why scientists cannot agree where the wolf first became domesticated?
A The physical differences between a basset hound and wolf are obvious.
B Genetic studies have pinpointed everywhere, from southern China to Mongolia to Europe.
C Pugs and poodles may not look the part, but if you trace their lineages far enough back in time all dogs are descended from wolves.
D The selection of social foxes also had the unintended consequence of making them look increasingly adorable–like dogs.
The correct answer is B. Genetic studies have pinpointed everywhere, from southern China to Mongolia to Europe.
This sentence indicates that genetic evidence suggests multiple possible locations for the domestication of wolves, which is why scientists cannot agree on a single origin. The differing findings from various regions contribute to the ongoing debate among scientists.
If you have more questions or need additional explanations, feel free to ask!