Hereditary condition and Polygenic disease

Hereditary condition noun - A disease or disorder that is inherited genetically.

Polygenic disease and hereditary condition are semantically related. In some cases you can replace phrase "Polygenic disease" with "Hereditary condition", this phrases are similar.

Polygenic disease noun - An inherited disease controlled by several genes at once.

Hereditary condition and polygenic disease are semantically related. You can use "Hereditary condition" instead a noun phrase "Polygenic disease".