Question 1
Which statement describes a monozygotic twin?
◦ Twins who share very few traits
◦ Twins who share all traits
◦ Twins who form from double ovulation
◦ Twins whose rates vary among populations
Question 2
Which statement regarding coronary heart disease is true?
◦ It is the leading killer of Americans.
◦ Atherosclerosis causes widening of the blood vessels.
◦ CHD is more common in women.
◦ The relative risk for CHD does not increase with relatives affected.