A hybrid zone between the chromosomal races Legucki Mlyn and Popielno of the common shrew in North-Eastern Poland: preliminary results

• Autorzy: Moska M.
• Języki publikacji: EN

Abstrakty

EN

A newly discovered hybrid zone between two karyotypic races, Łęgucki Młyn (g/r, h/k, i/o, j/l, m/n, p, q) and Popielno (g/r, h/q, i/k, j/l, m/n, o, p), of the common shrew Sorex araneus Linnaeus, 1758 has been studied in north-eastern Poland. In the Łęgucki Młyn/Popielno hybrid zone the complex heterozygotes form theoretically only short meiotic chain configurations, consisting of four or five elements. In all hybrid popu­lations a high frequency of complex heterozygotes was observed, varying from 0.30 to 0.43 between localities. In the centre of the hybrid zone the frequencies of telocentrics h and k increased. In two individuals of the hybrid populations (Krutyń I and Krutyń II), homozygous telocentric for chromosome arms h, i, k, o and q were observed.

Słowa kluczowe

EN

shrew; common shrew; Robertsonian polymorphism; Poland; Sorex araneus; cytogenetics; karyotype; hybrid zone

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 2003
• Tom: 48
• Numer: 4
• Opis fizyczny: p.441-455,fig.

Twórcy

autor

Moska M.

• Agricultural University, Kozuchowska 7, 51-631 Wroclaw, Poland

Bibliografia

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