El Dia De Los Muertos is celebrated in October 31st throughout November 2nd.
In respect of this, family relationships are typically very close.
Said increase is the most pronounced on research done on chromosomal maternal ancestry, as while in studies made on self identified Mestizos the European maternal ancestry is as low as only 5%, on studies done on the general Mexican population the European maternal ancestry increases more than 40 points, with it being 46%, suggesting that nowadays a considerable segment of Mexico's population is left out when a study uses as samples only people who think of themselves as being Mestizos.