Sentence 1: Such a scenario is indirectly supported by the absence , among the Sami , of the pre-V mtDNAs that are characteristic of southwestern Europeans and northwestern
Sentence 2: Such a scenario is indirectly supported by the absence of the south-western mtDNAs , which are characteristic of northwestern Europeans and pre-V , among the Sami .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?