3634
Only 1 of 21 patients with sporadic GnRH deficiency was found to bear a defect in the KAL - 1 gene ( a deletion of 14 bases starting at codon 464 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 None