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.
For the novel, see Heartburn (novel) . Heartburn, also known as pyrosis, cardialgia, or acid indigestion, is a burning sensation in the chest, just behind the breastbone or in the epigastrium, the upper central abdomen. The pain often rises in the chest and may radiate to the neck, throat, or angle of the jaw.