12297
The 5 ' flanking sequence of the 3B gene is extremely A + T rich but contains five G / C rich stretches , each approximately 7bp long , which have strong sequence similarity to the G boxes found upstream of other developmentally regulated Dictyostelium genes .
 GENE: 3B gene
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: 3B gene 
Answer:
 GENE: 3B gene