Article
Unidirectional diploid-tetraploid introgression among British birch trees with shifting ranges shown by restriction site-associated markers.
Molecular ecology - 1 Jun 2016
Zohren Jasmin, Wang Nian, Kardailsky Igor, Borrell James S, Joecker Anika, Nichols Richard A, Buggs Richard J A
Abstract excerpt
Hybridization may lead to introgression of genes among species. Introgression may be bidirectional or unidirectional, depending on factors such as the demography of the hybridizing species, or the nature of reproductive barriers between them. Previous microsatellite studies suggested bidirectional introgression between diploid Betula nana (dwarf birch) and tetraploid B. pubescens (downy birch) and also between...
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