 both children are heterozygous submissive for ramp room measuring & if a heterozygous dominant organism is crossed with a heterozygous dominant organism , then the offspring will have a 25% probability of being homozygous recessive -> the offspring of heterozygous dominant parents will have 25% probability of being homozygous recessive for sickle cell anemia the offspring of heterozygous dominant parents will have 25% probability of being homozygous recessive for sickle cell anemia