female sterile | recessive
lethal | rescuable maternal effect
lethal - all die during embryonic stage | recessive | rescuable maternal effect | heat sensitive
some die during embryonic stage | rescuable maternal effect | heat sensitive
egg
Some eggs are laid.
Homozygous females lay eggs that fail to hatch.
lays eggs. eggs develop. ova from homozygous females rescued by non-mutant sperm.