Revulsion means, a sudden violent change of feeling (about test tube babies). The assumption is, if babies are born with deformities, the public will be less likely to want to support the research/procedure.
Mahalia Jackson is known as "the World's greatest gospel singer". She's talented, like Einstein is talented. The speaker believes altering an embryo's genetic make up isn't moral, not even if the result produces a talented child.
- For Teachers