A female with cystic fibrosis marries a man who is heterozygous for Cystic fibrosis. Cystic fibrosis is a recessive autosomal disorder.
Do factorial analysis to show if their offsprings will suffer from cystic fibrosis

Every person has two copies of the cystic fibrosis transmembrane conductance regulator (CFTR) gene. A person must inherit two copies of the CFTR gene that contain mutations -- one copy from each parent -- to have cystic fibrosis..

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answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b