Abstract
Hemp (2n = 20) is an economically important crop and good model species for plant sex studying. It has the XX/XY system of sex chromosomes in which Y is longer then X. Cytogenetic studies of hemp were evidently started in the early 20th century and are continuing today. The most modern karyotype of hemp is described by formula 8 m + 1sm (SAT) + Xm/Ym for male and 8 m + 1sm (SAT) + Xm for female plants. The number of widely used cytogenetic markers (for example 5S rDNA and 45S rDNA) and species specific probes were mapped to mitotic and meiotic hemp chromosomes. The history of formation of knowledge about hemp karyotype and modern results of cytogenetic studies are discoursed in detail in this chapter.
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CITATION STYLE
Karlov, G. I., Razumova, O. V., Alexandrov, O. S., Divashuk, M. G., & Kroupin, P. Y. (2017). Classical and molecular cytogenetics of Cannabis sativa L. In Cannabis sativa L. - Botany and Biotechnology (pp. 385–394). Springer International Publishing. https://doi.org/10.1007/978-3-319-54564-6_18
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