Subject: Chc1 and Chc4 Personal communication from: Chris Bazinet, St. John's University To: Bloomington Drosophila Stock Center Subject: Chc1 and Chc4 Dated: 3 October 1997 Information communicated: Chc1 is a strong loss-of-function allele. Chc4 is a partial loss-of-function allele with a semi-dominant effect on viability; more males are produced at 21oC or lower.