WebSep 13, 2016 · The genus Chrysanthemum comprises 41 recognized species, mainly distributed across eastern Asia (China, Korea, Japan, and Siberia), with a species diversity centered in China (Bremer and Humphries 1993 ). More than 20 species of Chrysanthemum are native to China. WebApr 30, 2015 · Chrysanthemum ( Chrysanthemum morifolium Ramat.) is one of the most well-known and popular ornamentals throughout the world. Although species of Chrysanthemum have gradually become the world’s most abundant cultivated plants, the origin of this species is still debated and there is no universal identification system for …
A review on cytological study in Chrysanthemum …
WebHuman beings have 46 chromosomes while apes have 48. A reduction in number of chromosomes have been achieved through whole arm translocation between two … WebThe somatic chromosome number of the F1, F2 (with an exception of F2-6 of a mainly 63) and BC1 generations was 2n = 8x = 72, 2n = 8x = 72 and 2n = 7x = 63 respectively, as expected. The hybrids and their derivatives retained a variable degree of fertility. physics fsc part 2 book pdf
Inheritance in Chrysanthemum morifolium Ramat. - Nature
WebIndian chrysanthemum. Bot Mag, No. 327. Dowrick, G J. 1952. The chromosomes of Chrysanthemum 1. The species. Heredity, 6, 365–375. Article Google Scholar … WebThe somatic chromosome number of the F1, F2 (with an exception of F2-6 of a mainly 63) and BC1 generations was 2n = 8x = 72, 2n = 8x = 72 and 2n = 7x = 63 respectively, as … WebOct 14, 2024 · Chromosome number sets can be multiplied through somatic doubling, polyspermy, or most frequently, through unreduced gametes that contain the same number of chromosomes as somatic cells. Two types of polyploidy, differentiated by the extent of similarity between the duplicated chromosome sets, have been widely recognized. tool safe box