Point mutation.
lethal | recessive
Hemizygous viable. Transheterozygotes with Mad6 are lethal and with Mad11 are viable and female sterile. Transheterozygotes with a deficiency or null Mad allele exhibit numerous defects in imaginal disc-derived structures.
Mad5 is an enhancer of phenotype of dppe87
Mad5 is an enhancer of phenotype of dpphr56
Mad mutations can be placed in an allelic series based on relative severity of the maternal effect enhancement of weak dpp alleles: Mad1 < Mad7 < Mad12 < Mad10 < Mad5 < Mad3 < Mad2 < Mad11 < Mad6 < Mad4 < Mad8 < Mad9.
Mad mutations can be placed in an allelic series based on relative severity of the maternal effect enhancement of weak dpp alleles: Mad1 < Mad7 < Mad12 < Mad10 < Mad5 < Mad3 < Mad2 < Mad11 < Mad6 < Mad4 < Mad8 < Mad9.