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Theor Appl Genet. 1995 Sep;91(4):632-8. doi: 10.1007/BF00223290.

Inheritance of chloroplast and mitochondrial DNA in alloplasmic forms of the genus Daucus.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

R Steinborn, B Linke, T Nothnagel, T Börner

Affiliations

  1. Department of Biology, Humboldt-University, Invalidenstrasse 43, D-10115, Berlin, Germany.

PMID: 24169891 DOI: 10.1007/BF00223290

Abstract

The inheritance of mitochondrial (mt) and chloroplast (ct) DNA in the progeny from interspecific crosses between the cultivated carrot (Daucus carota sativus) and wild forms of the genus Daucus was investigated by analysis of mt and ct RFLPs in single plants of the parental and filial generations. We observed a strict maternal inheritance of the organellar DNAs in all interspecific crosses examined. Previous studies on putative F2 plants from a cross between Daucus muricatus x D. carota sativus suggested paternal inheritance of ctDNA. Our reinvestigation of this material revealed that the mtDNA of the putative F2 plants differed from the mtDNA of both putative parents. Therefore, our data suggest that the investigated material originated from other, not yet identified, parents. Consequently, the analysis of this material cannot provide evidence for a paternal inheritance of ctDNA.

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