An individual who displays the disease sickle-cell anemia must have inherited the deleterious allele from both phenotypically normal parents. this individual is therefore: . a. homozygous dominant. b. homozygous recessive. c. heterozygous. d. haplozygous

This individual is therefore homozygous recessive. The correct option among all the options that are given in the question is the second option or option "B". The other choices given are incorrect and can be neglected. I hope that this is the answer that has actually come to your desired help.