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centromeric index
The species selected on the basis of genetic marking differed clearly by centromeric index of chromosome 12, which confirms the allospecies frame of P.corneus s.
      
No significant difference was shown in the centromeric index values of the chromosomes in the populations (P>amp;gt;0.05).
      
The study of variations in the total length and the centromeric index of bivalent 1 suggests that differential elongation of pachytene bivalents is a premeiotic event, taking place during the last DNA replication.
      
The main interpopulation differences were detected in the centromeric index values of some corresponding chromosome pairs.
      
Computer-aided measurements of size and centromeric index were made on the chromosomes of 1.
      
Although the mechanisms involved are still unclear, it is stressed that pericentric inversions of chromosome 1 in which the inverted chromosome becomes submetacentric (centromeric index ≦0.324) apparently impair spermatogenesis.
      
Karyotypes were performed using the relative length of the chromosomes and the centromeric index.
      
On-line sorting of human chromosomes by centromeric index, and identification of sorted populations by GTG-banding and fluoresce
      
Using slit-scan flow cytometry, the shape of human metaphase chromosomes, as expressed in their centromeric index (CI), and the DNA content of the chromosomes have been used as parameters in bivariate flow karyotyping.
      
The relative length and centromeric index (CI) were converted from CHIAS III to numerical data and calculated by EXCEL program.
      
Infraspecific variation in heterochromatin amount per genome, number of intercalary bands per genome, relative area of telomeric bands, relative chromosome length, relative chromosome arm length and centromeric index are statistically analysed.
      
According to the chromosome centromeric index values found, the karyotype of P.
      
Three distinct karyotypes were recognized on the basis of the different values of the centromeric index of chromosome 2, respectively metacentric, intermediate between meta- and submetacentric, and sub-telocentric.
      
 

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