Family resemblance is a loose confederation of characteristics that applies to most examples. Such meanings are not demarcated by sharp and well-defined borders, but instead blend into one another across blurred boundaries. In his 2021 book, Rationality, psychologist Steven Pinker invokes the offspring of Robert Kardashian as literal examples of family resemblance.
In this special episode of the Michael Shermer Show Dr. Shermer comments on current events surrounding trans matters and reads his in-depth essay on the subject, originally published as one of his regularly Skeptic columns on Substack.