Dower rights are the same as curtesy rights, only the terms are gender based. Dower rights are the presumed interest (inheritance rights) that a spouse has in real property that is otherwise is wholly owned by the other partner of the marriage.
In all matters that pertain to real estate in the United States, it is best to choose an expert in your own local area to explain any questions you might have. Also remember that real estate agents are not attorneys and can only give general information about real estate.
For instance, if you wanted to know if the state of Florida recognizes dower rights, you could ask an agent. Since I am a Florida agent, I will answer that. Yes, Florida does recognize dower interests in real property. In order to transfer property in Florida, the spouse must sign a release of dower rights in the property by or at the close of sale. However, If you have specific questions about your own or your spouse's dower interest in a real property, then you need to consult a real estate attorney..