Abstract
THE practical value of chromosome studies is perhaps nowhere better demonstrated than in the wheats, where the species belonging in different groups have different multiples of 7 as their chromosome number. In hybrids between species with different numbers of chromosomes, the peculiarities in the hybrid behaviour are largely explained by the history of the chromosomes, some of which pair in meiosis while others remain single.
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References
Sax, Karl, and Gaines, E. F., 1924, "A Genetic and Cytological Study of certain Hybrids of Wheat Species", Journ. Agric. Research, 28: 1017–1032, pls. 2.
Sax, K. and H. J., 1924, "Chromosome Behaviour in a Genus Cross", Genetics, 9: 454–464, pls. 2.
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GATES, R. Genetical Investigations. Nature 116, 297–298 (1925). https://doi.org/10.1038/116297a0
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DOI: https://doi.org/10.1038/116297a0