For much of it's life on the radio X Minus One aired stories from Galaxy Science Fiction magazine. This one comes from a story by "Murray Leinster" (Will F. Jenkins), one-time "Dean of Science Fiction," was was first published in Galaxy's September 1951 issue.
"They've got a queer sort of evolution hereon Moklin. Babies here inherit desired characteristics. Not acquired characteristics, desired ones."
Ralph Camargo, Stan Early, Helen Gerald. Dick Janaver, Joseph Julian, John Marley, Karl Weber, and Patricia Weil were the featured actors, while Kenneth Banghart was the announcer. The episode was directed by Daniel Sutter. Ernest Kinoy adapted Leinster's story for this episode.