Abstract

WE ARE FACED WITH GROWING POWERS OF MANIPULATION OF OUR HUMAN GENETIC MAKEUP. WHILE NOT DENYING THAT THESE POWERS CAN BE USED FOR GREAT GOOD, IT BEHOOVES US TO THINK NOW OF POSSIBLE UPPER LIMITS TO THE CHANGE THAT WE MIGHT WANT TO EFFECT. I ARGUE THAT THOUGHTS OF CHANGING THE HUMAN SPECIES INTO A RACE OF SUPERMEN AND SUPERWOMEN ARE BASED ON WEAK PREMISES. GENETIC FINE-TUNING MAY INDEED BE IN ORDER; WHOLESALE GENETIC CHANGE IS NOT