Df(3R)crb87-4 is lethal in combination with Df(3R)jar322.
jarHsp83.PH cannot rescue the lethality of Df(3R)jar322 homozygotes or of Df(3R)jar322/Df(3R)crb87-4 animals, indicating that the lethality seen in these animals is not due to loss of jar function.
Df(3R)jar322 is lethal in combination with Df(3R)crb-F89-4.
Df(3R)jar322 is male sterile and viable in combination with Df(3R)crb87-5.