Alleles+for+sickle+cell

People have 2 alleles for the hemoglobin and hemoglobin has to parts to it, sn aphla and a beta. Sickle cell is when a mutation in a gene on chromosome 11 that codes for the beta subunit of the hemoglobin protein. As a result, hemoglobin molecules don't form properly, causing red blood cells to be rigid and have a sickle shape.

The Chromosome comes from you parents that carry the disoder and pass it to you.

Recessive is represented with a lower case letter. A Dominant trait is represented by a upper case letter.

X-Linked is represented with Xs, or Xs, or Y