Sickle cell disease in an inherited blood disorder. it is a recessive trait. that means you can carry one recessive allele for the disease and not have the symptoms. in this case, if you were a cardier and did not have the disease, your genotype for sickle cell would be

I did research but I couldn't find the exact answer but those are some websites maybe they could help you. I am sorry I did my best to help.

https://www.healthline.com/health/sickle-cell-anemia#outlook

http://sickle.bwh.harvard.edu/scd_inheritance.html

I hope those 2 websites help

answer; ///(b) it is composed of four protein chains and four heme groups;

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."