Abstract

The somatic chromosomes of standard indica diploid rice, IR 36, were squashed on glass slides and stained with Giemsa. The condensation patterns (CP) of prometaphase chromosomes were quantitatively analysed using CHIAS III software. The relative length and centromeric index (CI) were converted from CHIAS III to numerical data and calculated by EXCEL program. The ideogram based on CP of indica rice was established. There were 2 pairs of satellite chromosomes and the result was confirmed by fluorescence in situ hybridization using 45S rDNA as a probe.

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