A couple's first child has cystic fibrosis. The gene for cystic fibrosis is autosomal recessive, and the mode of inheritance is simple dominant/recessive inheritance. Neither parent has the disease. What are the odds that the couple's next child will have the disease

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.