If a young man has type A blood, this is his:
a. DNA
b. genome
c. phenotype
d. genotype
Question 2
The fact that most stone tools were probably made by right-handed individuals has implications for:
a. the disappearance of the prehensile tail.
b. the appearance of agriculture
c. the study of brain structure.
d. the study of skeletal structure.
e. aggressive behavior in humans.