Biological aspects of ethical principles.
D005075:Biological Evolution; D035843:Biomedical Research; D005824:Genetics, Behavioral; D006801:Humans; D009014:Morals; D011287:Prejudice; D012106:Research; D012586:Science; D012945:Social Values; D013534:Survival; D014947:Wounds and Injuries; D014997:XYY Karyotype