Graves in the Slave Cemetery at Mount Vernon are unmarked, but we have the names of a few individuals thought to be buried in the cemetery including Frank Lee, the Washingtonâs butler who was present at the funeral of George Washington.
Disease agent is a crossword puzzle clue that we have spotted 1 time. There are related clues (shown below).isease agent is a crossword puzzle clue that we have spotted 1 time. There are related clues (shown below).
Say you are studying three individuals who carry the same disease-causing mutation; two of these individuals suffer from the disease but exhibit different symptoms, while the third person is completely unaffected.oreover, both the penetrance and expressivity of different diseases can be partially explained by the action of gene modifiers. Retinoblastoma is a cancer of the retina that primarily affects children and is caused by mutations in the Rb gene.