<prompt> The mother has sickle cell anemia; father is normal; chances of children having sickle cell disease and sickle cell trait respectively are:0 and 10025 and 2550 and 5010 and 50  <response>: Sickle cell anemia Autosomal recessive disorder Homozygous state of HbS SS where S stands for gene coding HbS. Heterozygous state of HbS SA where A stands for absent gene. Normal individual has no gene for HbS AA If the mother has sickle cell disease SS and father is normal AA, then all the offsprings will be SA. Thus of sickle cell disease SS will be zero and that of sickle cell trait SA will be 100. 