What is the basis for concluding the two main breeds that form the Shih Tzu, given the lack of detailed records?

Answer

Comparative morphology and historical movement of dogs

Since precise, written records detailing exact genetic contributions are scarce, the conclusion about the Shih Tzu's parentage relies heavily on comparing physical structures and tracking the historical travel of dogs from Tibet to China.

What is the basis for concluding the two main breeds that form the Shih Tzu, given the lack of detailed records?

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15 Shih Tzu Crossbreeds Guaranteed to Melt Your Hearts

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