Segregation Distortion of Marker Nuclear Genes in Alloplasmic and Isoplasmic Lines of Barley |
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| Authors: | Goloenko I M Davydenko O G Shimkevich A M |
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| Institution: | (1) Institute of Genetics and Cytology, National Academy of Sciences of Belarus, Minsk, 220072, Belarus |
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| Abstract: | Inheritance of barley nuclear genes responsible for various morphological marker traits was studied in hybrid populations F2 and Fa. Nine marker genes showed deviation from Mendelian monogenic inheritance depending on the cross direction and maternal cytoplasm. Segregation biases to both recessive mutant and dominant normal phenotypes were observed. Mechanisms of the segregation bias related to cytoplasm substitution in iso- and alloplasmic lines are discussed. |
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