The presence of a zygote having one chromosome with the normal complement of genes and one with a missing gene is characteristic of which genetic disorder

check for the pregnancy rating of drug. if its class c or d see if other alternatives

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.