Study of a contact between two chromosomally monomorphic races of Sorex araneus L. (common shrew).
Heredity (Edinb) 1993;
71 ( Pt 3):221-6. [PMID:
8407355 DOI:
10.1038/hdy.1993.129]
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Abstract
One hundred and twelve specimens of the common shrew from 21 populations in NE Poland were studied from an area of contact between chromosomal race II (metacentric chromosomes: hi, ko, gm, np) and race VII (ki, hn, gr, mp). No direct contact was found between the races in the study area; there were no mixed or hybrid populations. The shortest distance between populations of the two races was 1.2-1.6 km. Possible explanations for this pattern of the races' disjunction are discussed.
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