How is sickle cell trait defined and diagnosed.

Sickle cell trait is a passed down blood disorder and usually affects an individual with a sickle cell trait which means that he or she carries or has passed down a single copy of the gene that causes sickle cell disease.

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The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.