individuals are affected when they are homozygous recessive. carriers have not been labeled. referring to the pedigree below, which chromosome is the gene located

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

the question isn't complete here so i can't right an answer '_'