Karyotypes of four Chinese species of field mice of the genus Apodemus were examined,including Apodemus chevrieri (diploid chromosome number,2n=48,fundamental number of autosomal arms,FNa=56),*** (2n=48,FNa=48),*...
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Karyotypes of four Chinese species of field mice of the genus Apodemus were examined,including Apodemus chevrieri (diploid chromosome number,2n=48,fundamental number of autosomal arms,FNa=56),*** (2n=48,FNa=48),*** (2n=48,FNa=48),and *** (2n=48,FNa=48).Karyotypes of ***,***,and *** are reported here for the first time,providing useful information for their species *** the karyotypes of all species of Apodemus in Asia,both in this and previous studies,provides a solid overview of the chromosome evolution and species differentiation of the genus in East *** addition to allopatric speciation,chromosome rearrangements likely played an important role in the formation of the four Apodemus species groups as well as speciation within each group in East *** example,increased centromeric heterochromatin in *** may have contributed to the post-mating reproductive isolation from the *** clade.
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