A bioethicist argues that genetic engineering of embryos is a slippery slope. The weakest

A) One that provides specific causal mechanisms for the predicted progression

B) One that simply asserts bad outcomes will follow without explaining how

C) One backed by historical precedent

D) One supported by empirical data

Explanation

A slippery slope argument is weakest when it merely asserts consequences without providing evidence or causal mechanisms for the progression.