3766
Fluorescence in situ hybridization was used to investigate the physical distribution and revealed that both retrotransposon families are present on all sugar beet chromosomes and largely excluded from chromosomal regions harbouring the 18S - 5 . 8S - 25S rRNA genes .
 GENE: 18S; GENE: 5 . 8S; GENE: 25S
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: 18S; GENE: 5 . 8S; GENE: 25S