2624
The C739 - to - T allele , together with a " true " Tay - Sachs disease allele , causes Hex A pseudodeficiency .
 Tay - Sachs disease
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 Tay - Sachs disease