母系
2.line of descent traced through both the maternal and paternal sides of the family.
4.Relating to, based on, or tracing ancestral descent through the maternal line.
7.On the basis of breeding new strains A、 B、 C and purely breeding Duroc、Yorkshire、 Landrace, selection and breeding of "Huate" best-hybridized combination werecarried out in 1991. Duroc is ideal sire breed, strain A 、 B and C would be dam line of sire line,sire line of dam line and darn line of dam line.
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9.The matriarchal society consists of her female offspring and their young.
10.The order of effective numbers of alleles was D line (3.8214) > B line (3.3515) > C line (2.4866) > A line (2.4830). In whole population, the matrilineal genetic diversity was abundant, and the patrilineal population consistency was higher.
