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August Weismann made the important distinction between germ cells that give rise to gametes ( such as sperm and egg cells ) and the somatic cells of the body , demonstrating that heredity passes through the germ line only .
 person: August Weismann
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: August Weismann 
Answer:
 person: August Weismann