5362
Sequencing of genomic DNA led to the identification of a mutation in the coding region of BRCA1 in 12 families , and cDNA analysis revealed an abnormal or missing BRCA1 transcript in 4 of the 8 remaining families .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities:  
Answer:
 None