The Journal of Heredity 1994:85(3):171-173
© 1994 The American Genetic Association 85:171-173
research-article |
Biparental Inheritance of the Chloroplast Genome in Coreopsis (Asteraceae)
Department of Ecology and Evolutionary Biology, University of Connecticut Storrs
Address correspondence and reprint requests to Dr. Mason at her current address
Abstract
Two heteroplasmic individuals were found during an intraspecific chloroplast DNA (cpDNA) restriction site survey of Coreopsis grandiflora (Asteraceae). Both individuals were in the same genetically variable population, in which only two distinct cpDNA haplotypes, differing by 19 restriction site differences, had otherwise been detected. Because these individuals were heteroplasmic for sites that distinguish the two distinct haplotypes, they almost certainly arose from biparental inheritance of the chloroplast genome following a cross between plants with distinct genomes.
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