A child is born with Turner syndrome (45, X), and they have…

A child is born with Turner syndrome (45, X), and they have red green color blindness (recessive X-linked condition). Their male parent has red green color blindness as well, and the child’s female parent does not have red-green color blindness and has a homozygous genotype for color sight. What most likely occurred to lead to this chromosomal complement in the child?