The Kindred

The name of this movie is The Kindred released in 1987-01-09 and it's main theme is Amanda's deathbed request to her son, John, was for him to destroy all the lab notes etc. from her last experiment. She also blurts out he had a brother. At the funeral John meets Melissa, who claims to be his mothers biggest fan. Together with some of John's friends they go to Amanda's house, but none are prepared for what they find there..