Which piece of data best fits in the body of the note card above?
a. "cloning is an asexual form of reproduction. all the child's genes would come from a body cell of a single individual . . "
b. "if a man cloned himself, would the child be that man's son or his twin brother? it would be neither, it would be a new category of biological relationship: his clone."
c. "societies have the right and responsibility to decide which uses of such screening technologies should be allowed and which should be banned."
d. "many people assume that germline engineering is necessary to allow couples at risk of passing on a genetic disease to avoid doing so. this is not so."