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Table 1 The number of 5S and 45S rDNA loci in different species

From: Cytogenetic relationships among Citrullus species in comparison with some genera of the tribe Benincaseae (Cucurbitaceae) as inferred from rDNA distribution patterns

Species 2n No. of 5S rDNA loci (Chromosome(s) bearing 5S rDNA) No. of 45S rDNA loci (Chromosome(s) bearing 45S rDNA)
Citrullus lanatus subsp. vulgaris 22 1 (8) 2 (4, 8)
C. lanatus subsp. mucosospermus 22 1 (8) 2 (4, 8)
C. colocynthis 22 1 (8) 2 (4, 8)
C. lanatus subsp. lanatus 22 2 (8, ?) 1 (4)
C. ecirrhosus 22 2 (8, ?) 1 (4)
C. rehmii 22 1 (8) 1 (4)
Acanthosicyos naudinianus 24 1 (?) 2 (?, ?)
Lagenaria siceraria 22 1 2
Zehneria mariothii 24 1 2
Melothria pendula 24 1 2
Cucumis metuliferus 24 1 2
Benincasa fistulosa 24 2 2
Coccinia sessilifolia 24 1 3
Diplocyclos palmatus 24 1 3
Cucumis sativus 14 1 5