Using a Punnett Square. A Punnett Square can help determine the probability that offspring will have a particular phenotype or genotype. Example: The possible offspring outcomes for parents who are both carriers of a cystic fibrosis mutation.
Pyrokinesis is an alleged psychic ability allowing a person to create and control fire with the mind. There is no conclusive evidence that pyrokinesis is a real phenomenon. Alleged cases are said to be hoaxes, the result of trickery.
Peritonitis is defined as an inflammation of the serosal membrane that lines the abdominal cavity and the organs contained therein. The peritoneum, which is an otherwise sterile environment, reacts to various pathologic stimuli with a fairly uniform inflammatory response.