Unidirectional diploid–tetraploid introgression among British birch trees with shifting ranges shown by restriction site‐associated markers

@inproceedings{Zohren2016UnidirectionalDI,
  title={Unidirectional diploid–tetraploid introgression among British birch trees with shifting ranges shown by restriction site‐associated markers},
  author={Jasmin Zohren and Nian Wang and Igor Kardailsky and James S. Borrell and Anika J{\"o}cker and Richard A Nichols and Richard J A Buggs},
  booktitle={Molecular ecology},
  year={2016}
}
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 B. pubescens and diploid B. pendula (silver birch) in Britain. Here, we analyse… CONTINUE READING
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