Summary
The degree of similarity of a BC line with its recurrent parent is not related to the presence of expressions for morphological characters originating from the donor like purple coleoptile, purple anther and waxy leaf. BC lines derived from one donor do not resemble each other more than they do other BC lines. The absence of characters conditioned by dominant or co-dominant genes may be caused by the presence of inhibitor genes.
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Zeven, A.C., Waninge, J. The degree of similarity of backcross lines of Triticum aestivum cultivars manitou and neepawa with Aegilops speltoides accessions as donors. Euphytica 35, 677–685 (1986). https://doi.org/10.1007/BF00028575
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DOI: https://doi.org/10.1007/BF00028575