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GENEROUS DELTA. "Apart from a few exceptions, the variances of repeated measurements for individuals of the same group were significantly different from each other." https://lnkd.in/dK-A3iM View in LinkedIn

TRAITS VERSUS CONSENSUS. "The morphological characters ‘stamen hairs’ and ‘style hair-coverage’ were then tested for correlation with the above calculated hybrid index." https://lnkd.in/dK-A3iM View in LinkedIn

INDEX OF HYBRIDITY. "One of the objectives of this study was to assess how the two morphological characters ‘stamen hairs’ and ‘style hair-coverage’ behave with regards to a mixed genetic background. Therefore, it was desirable to assign an index of hybridity to each intermediate individual." https://lnkd.in/dK-A3iM View in LinkedIn

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EXHAUSTIVE PLANT PHENOTYPING. Characters that were measured for R. delavayi , R. irroratum and intermediates. Leaf length. Leaf width. Distance apex-mid. Petiole length. Flowers in inflorescence. Corolla width. Corolla length. Distance anther-stigma. Style length. Style hair-cover. Stigma width. Bark. Indumentum. Corolla colour. Nectar pouches. Maculation. Stamen hairs. Ovary hairs. Ovary glands. Style colour. Style hairs. https://lnkd.in/dK-A3iM View in LinkedIn

UNEVEN PLANT HYBRIDIZATION. "There is strong evidence that hybridization does not occur uniformly across all plant families, and hence spontaneous hybridization seems to be more prevalent in certain families and genera. A group with high levels of natural hybridization is Rhododendron. The genus has more than 1000 species, many of which are interfertile." https://lnkd.in/dK-A3iM View in LinkedIn

SOMATIC MUTATIONS. "The influence of somatic mutations on fitness is relevant in plants because of their indeterminate growth and lack of separation between somatic and germ-line tissues, thus violating Weismann’s doctrine. The frequency of somatic mutation should be correlated with the number of mitotic divisions between zygote formation and gamete production." http://www.pnas.org/content/112/29/8859.full View in LinkedIn

WEISMANN'S DOCTRINE. "The principle, proposed by A. Weismann, that hereditary information flows only from genome to soma, not vice versa; the principle would be flouted were Lamarckism true. In its refined, modern form, the principle reads that information flows always from DNA to RNA to protein, and not back again.” https://lnkd.in/e5fymDv View in LinkedIn

INVASIVE NEUTERING. "Long-distance dispersal of only one mating type to a region, especially in invasive species, may disable sexual systems, resulting in sterility." http://www.pnas.org/content/112/29/8859.full View in LinkedIn

SEEDS AND STERILITY. "Very low seed production and even complete sterility are common features of clonal plant populations. Sterility can be caused by a variety of environmental and genetic factors influencing various stages in the process of sexual reproduction." http://www.pnas.org/content/112/29/8859.full View in LinkedIn