Compared to other chromosomes, the Y chromosome is:
a. small and carries very little genetic information
b. small and carries much more genetic information
c. large and carries very little genetic information
d. large and carries much more genetic information
Question 2
Which of the following is considered essential for a fossil to be included in the human evolutionary line?
a. Color vision
b. Single birth
c. Bipedalism
d. Large brain
e. Arborealism