Duchenne muscular dystrophy is a genetic disorder that arises from a recessive x-linked allele. why is this disorder almost always restricted to males? a. males have xx chromosomes and therefore have a higher chance of carrying both recessive alleles for this genetic disorder. b females have xx chromosomes and therefore have a very low chance of carrying both recessive alleles for this genetic disorder. c. females have xx chromosomes and therefore have a higher chance of carrying both recessive alleles for this genetic disorder.