The appearance of a disease in a person who has no family history of that disorder would be classified as a ________ case.

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Sporadic cases refer to the occurrence of a disease in an individual with no family history of the disorder. This is in contrast to inherited cases, which may be caused by genetic mutations or passed down through generations. A toxic gain of function, toxic loss of function, recessive, and congenital are all possible explanations for how a genetic disorder may occur but are not specific to the case of a disease appearing in someone with no family history.

The Appearance of a Disease in a Person Who Has