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[Analysis of chromosome karyotype of Lycium chinense Mill].

Y Jian, Ma Yan, Yuanmei Peng, G Zhu

Abstract

The chromosome karyotypes of wild Lycium chinese and its cultivated breeds for vegetable have been studied. The Chromosome 12 of both has a satellite. The former, with 24 chromosomes and 1B karyotype, is a diploid and its karyotype formula is 2n = 2x = 24 = 18m + 6sm. The chromosome number of the latter is 48. As a tetrploid, it has 2B karyotype and a karyotype formula 2n = 4x = 48 = 36m + 12sm.

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Key concepts: Karyotype, Chromosome, Ploidy, Biology, Chromosome number, Genetics, Lycium, Botany