A man with a genetic disease marries a woman who does not carry the disease. It is not possible for their sons to have the disease, but their daughters will inherit it. The disease must be

Explanation:

In X linked dominant if the father carries the abnormal X gene,all of his daughters will have the disease because daughters always inherit their father's X chromosome and if the mother carries the abnormal X gene, half of all their children (daughters and sons) will inherit the disease tendency

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

gold i'm pretty sure i might be wrong