Zhang Q, Saghai Maroof MA, Allard RW (1990) Effects on adaptedness of variations in ribosomal DNA copy number in populations of wild barley Hordeum vulgare ssp. spontaneum. Proc Natl Acad Sci USA 87:8741-8745.
Zhang Q, Saghai Maroof MA, Allard RW (1990) Effects on adaptedness of variations in ribosomal DNA copy number in populations of wild barley Hordeum vulgare ssp. spontaneum. Proc Natl Acad Sci USA 87:8741-8745.