The Great Pyrenees even has a double dewclaw, an inherited trait called polydactyly, so that there are two bony digits instead of one.
其次，“义趾”
态和分布是多样，迄今没有看到关于其发生和态“遗传
”文献。
[
]，多趾[]
,天生;质;;
;;The Great Pyrenees even has a double dewclaw, an inherited trait called polydactyly, so that there are two bony digits instead of one.
其次，“义趾”态和分布是多样，迄今没有看到关于其发生和态“遗传”文献。
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