In the Original Study Caveat Emptor: Genealogy for Sale, Jonathan Marks argues that current DNA tests are not very reliable because:
a. they include people to whom you are not fully related
b. they always exclude maternal relatives after about twenty-five generations
c. they isolate a small percentage of your relatives because we are an inbred species
d. they only include relatives who descend from Europe and Africa
Question 2
Normally, personality is like a mask that one wears, sometimes uncomfortably, throughout life. It is always external to the individual.
a. True
b. False
Indicate whether the statement is true or false
The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
Results of the study by Laruelle et al. (1996)
Gulf Stream/North Atlantic Current
Study Duddy 2
These findings are from Colby and Kohlberg's long-term longitudinal study
Study Tips