MUST KNOW ABOUT SICKLE CELL.

Sickle cell is caused by single base mutation in the nucleotide sequence of the gene that code for hemoglobin. it is generally referred to as “SS” and is inheritable from both parents，where the parents are either SS or AS .See the dangers of what you might not know about your future partner http://www.bodychemist.blogspot.com/p/the-membranes-of-human-red-cells_4862.html?m=1